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ุทูุจ ุงูุณูุงู
ุนูููู
ุงูููู
ุณูููู
ุจู
ูุนุฏ ุชุงุฑู ุชุฑู ุชุงุฑู
2
00:00:27,460 --> 00:00:29,620
ุชุฑู ุชุงุฑู ุชุฑู ุชุงุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู
3
00:00:29,620 --> 00:00:29,860
ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู
4
00:00:29,860 --> 00:00:30,060
ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู
5
00:00:30,060 --> 00:00:31,660
ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู
6
00:00:31,660 --> 00:00:32,240
ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู
7
00:00:32,240 --> 00:00:32,320
ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู
8
00:00:32,320 --> 00:00:32,320
ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู
9
00:00:32,320 --> 00:00:32,320
ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู ุชุฑู
10
00:00:32,320 --> 00:00:42,240
ุชุฑู ุชุฑู
11
00:00:42,240 --> 00:00:45,180
ุช
12
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acceleration and motion if an object is at rest
13
00:00:57,790 --> 00:01:04,470
not .. that meaning not moving ูุนูู ุฒู ุงู .. ุงู ..
14
00:01:04,470 --> 00:01:10,770
okay and it's free to move not fixed an external
15
00:01:10,770 --> 00:01:16,910
.. an external force a force from outside will
16
00:01:16,910 --> 00:01:22,410
make the object accelerate ูุนููุด accelerateุุฃููุฉ
17
00:01:22,410 --> 00:01:29,170
ูุฃูู ุจูุนุฑู ุงุญูุง ูู ุนูุฏูุง ุงู position ุจูุฌู ุจุนุฏู ูู
18
00:01:29,170 --> 00:01:32,850
ุฃุฎุฏูุง ุงู derivative ุชุจุนู ุงุด ุจูุญุตู ุจูุตูุฑ velocity
19
00:01:32,850 --> 00:01:36,470
ูู ุฃุฎุฏูุง ุงู derivative ุชุจุนุช ุงู velocity ุจูุตูุฑ
20
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ุนูุฏูุง acceleration ููุฐุง ุงููู ููุชููู
ุนูู ุงู ุดุงุก
21
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ุงููู ุงูููู
this means
22
00:01:47,380 --> 00:01:50,120
Velocity of the object or the speed of its
23
00:01:50,120 --> 00:01:53,080
movement in a given direction will increase
24
00:01:53,080 --> 00:01:58,160
Velocity is measured in meters per second Position
25
00:01:58,160 --> 00:02:01,200
is measured in meters Velocity is measured in
26
00:02:01,200 --> 00:02:04,160
meters per second Acceleration is measured in
27
00:02:04,160 --> 00:02:07,040
meters per second per second square
28
00:02:12,060 --> 00:02:19,300
ุฅุฐุง ุฅุฒุงูุฉ ุงูุณุฑุนุฉ ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู
29
00:02:19,300 --> 00:02:24,080
ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู
30
00:02:24,080 --> 00:02:24,820
ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู
31
00:02:24,820 --> 00:02:28,900
ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู
32
00:02:28,900 --> 00:02:29,960
ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู
33
00:02:29,960 --> 00:02:29,960
ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู
34
00:02:29,960 --> 00:02:29,960
ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู
35
00:02:29,960 --> 00:02:41,120
ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒุงู ุชุฒ
36
00:02:41,150 --> 00:02:46,130
ูุนูู meter per second per second The unit of
37
00:02:46,130 --> 00:02:48,870
acceleration is therefore meter per second per
38
00:02:48,870 --> 00:02:52,570
second stated as meter per second per second
39
00:02:52,570 --> 00:02:57,090
squared ููุฐู ูููุง ู
ุนููู
ุงุช ุนุงู
ุฉ ูุญุชู ุงูุขู ุนูุฏูู
ูุง
40
00:02:57,090 --> 00:03:03,410
ุทุงูุจุงุช ุงูููุฏุณุฉ ู
ุฑุช ุนูููู
ูู ุงูููุฒูุง ู
ุฑุงุช ุนุฏูุฏุฉIf
41
00:03:03,410 --> 00:03:08,070
an object is in motion or moving and is subjected
42
00:03:08,070 --> 00:03:12,530
to an opposing force that is when acting on it in
43
00:03:12,530 --> 00:03:16,790
the opposite direction, the object will .. ุฏู ูุงุญุฏ
44
00:03:16,790 --> 00:03:22,370
ุจูู
ุดู ู ูู ุญุงุฌุฉ ุจุชุนุทูู ู
ุถุงุฏุฉุ ุฅูุด ุจูุตูุฑ ูููุ ุจูุตูุฑ
45
00:03:22,370 --> 00:03:27,070
ูุชุจุงุทุฃุ ููู
ุฉ ุชุจุงุทุฃ ูู ุงูุตุฑุงุนูุด ุจูุณู
ููุง ูููุง
46
00:03:27,070 --> 00:03:28,370
deceleration
47
00:03:30,380 --> 00:03:38,600
acceleration ุชุณุงุฑู ุชุจุงุทุค ุชุณุงุฑู ุชุณุงุฑู
48
00:03:38,600 --> 00:03:48,820
ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู
49
00:03:48,820 --> 00:03:52,720
ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู
50
00:03:52,720 --> 00:03:58,120
ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู
51
00:03:58,120 --> 00:03:58,120
ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู
52
00:03:58,120 --> 00:03:58,120
ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู
53
00:03:58,120 --> 00:03:58,120
ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู
54
00:03:58,120 --> 00:04:02,750
ุชุณุงุฑู ุชุณุงุฑู ุชุณุงุฑู ุชุงู linear ุฅูุดุ ุฎุทู ุงููู ุนูุฏู ู
55
00:04:02,750 --> 00:04:10,510
ุนุงุฏุฉ ู
ุด ุจุณ ุฎุทู ุนู
ููุฉ ุงูุชุฏุฑุฌ ูููุง ุชุจูู ู
ุชูุงุณุจุฉุ ูุฐุง
56
00:04:10,510 --> 00:04:16,180
.. ูุฐุง ุงููู ุจูุณู
ูู ุฎุทูa car acceleration and
57
00:04:16,180 --> 00:04:19,160
driving along a straight road is an example of
58
00:04:19,160 --> 00:04:23,120
linear acceleration and linear motion ูู ุนูุฏูุง ุงู
59
00:04:23,120 --> 00:04:26,680
linear motion ุงููู ูู ูู ุงุชุฌุงู ุฎุทู ูู ุนูุฏูุง ุงู
60
00:04:26,680 --> 00:04:33,960
circular motion ุงููู ูู ุฃูุด ุฏุงุฆุฑู ุงู circle ู
ู
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00:04:33,960 --> 00:04:38,900
ุญูุงูู .. ูุงู ุงู circular ุฏุงุฆุฑู ุงููู ุนูุฏู ู ูู non
62
00:04:38,900 --> 00:04:45,580
-linear ุงููู ูู ุบูุฑ ุฎุทูon air acceleration due to
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00:04:45,580 --> 00:04:49,000
gravity ุงููู ุฃูุง ุฌูุชูููุง ุงูู
ุนูู ูุงูุ ุงูุขู ูู
64
00:04:49,000 --> 00:04:53,720
ุฑู
ูุชูุง ุญุฌุฑ ุฅูุด ุจูุญุตู ูููุ ูู ุทุงูุน ุณุฑุนุช ุฅูุด ุจุชุตูุฑ
65
00:04:53,720 --> 00:04:54,260
ูููุงุ
66
00:04:54,260 --> 00:05:04,340
ุชุทุจุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุทุท
67
00:05:05,840 --> 00:05:10,520
is roughly 10 meters per second squared ูู 9.81 ุฒู
68
00:05:10,520 --> 00:05:14,780
ู
ุง ุจุชุนุฑูููุง ุชูุฑูุจุง ุจุชููู ุนููุง 10 meters per second
69
00:05:14,780 --> 00:05:19,020
squared in other words if an object is dropped and
70
00:05:19,020 --> 00:05:25,590
lift to free fallุณููุท ุงูุญุฑ its velocity will
71
00:05:25,590 --> 00:05:31,250
increase by 10 meter per second every second not
72
00:05:31,250 --> 00:05:35,530
allowing for air resistance ูุนูู ูุฐู ูู ุฑู
ูุช ุญุงุฌุฉ
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00:05:35,530 --> 00:05:39,470
ู
ู ุงุฑุชูุงุน ู
ุนูู ุงู ุฎููุชูุง ุชุณูุท ู
ู ุงุฑุชูุงุน ู
ุนูู ุงูุด
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00:05:39,470 --> 00:05:45,330
ููุงุญุธ ูููุง ุณุฑุนุชูุง ุชุฒุฏุงุฏ 10 meter per second ููู
75
00:05:45,330 --> 00:05:52,260
secondุงูุงู ูุฐู ุทุจุนุง ุฅุฐุง ุจุฏู ุชุงุฎุฏ ูู ุงูุญุณุงุจ ู
ูุงูู
ุฉ
76
00:05:52,260 --> 00:05:58,340
ุงูููุงุก ุทุจุนุง ู
ุด ูุชููู ุจูุฐู ูุนูู ุจุณ ูู ุฃูุง ุชุฌุงููุช
77
00:05:58,340 --> 00:06:01,920
ู
ูุงูู
ุฉ ุงูููุงุก ูุฐุง ุงูู
ุนูู ุงููู ุนูุฏู ุฅู ุณุฑุนุชูุง
78
00:06:01,920 --> 00:06:07,380
ุจุชุฒุฏุงุฏ 10 meter per second ููู second ุจุชูุฌู ูููุง
79
00:06:09,540 --> 00:06:12,920
Acceleration and deceleration such as that
80
00:06:12,920 --> 00:06:17,140
generated by aircraft and cars can be compared
81
00:06:17,140 --> 00:06:20,640
with acceleration due to gravity ุงูุงู ุงููุงุณ ุงูุด
82
00:06:20,640 --> 00:06:25,220
ุจูุญููุง ุจุฏู ู
ุง ุงูุง ุงุญูู ุญุงุฌุงุช ูุงุฌ ุจุตูุฑ ุงูุงุฑู ุงู
83
00:06:25,220 --> 00:06:30,420
acceleration ุงู ุงู deceleration ู
ูุงุฑุฉ ู
ุน ุงูุฌุงุฐุจูุฉ
84
00:06:30,420 --> 00:06:35,340
ุงูุฃุฑุถูุฉ ุงูุฌุงุฐุจูุฉ ุงูุฃุฑุถูุฉ ููููุง ุญูุงูู 10 meter per
85
00:06:35,340 --> 00:06:42,010
second square ูุงู ุจุณู
ููุง one gุฃู one gravity force
86
00:06:42,010 --> 00:06:47,710
ุงู one g force ููุฐุง ุตุงุฑ ุงูู ู
ุงุชุฑู ุจููุณ ููู
87
00:06:47,710 --> 00:06:51,410
relative
88
00:06:51,410 --> 00:06:56,290
measure is called g force g stands for gravity and
89
00:06:56,290 --> 00:06:59,530
acceleration of 10 meters per second squared is
90
00:06:59,530 --> 00:07:01,970
measured as one g
91
00:07:04,610 --> 00:07:12,350
ู 20 meter per second squared as 2G and so on ูุนูู
92
00:07:12,350 --> 00:07:16,790
ูุฏ ุจูุตูุฑ ูู ุนูุฏู 100 meter per second squared ูุฏ
93
00:07:16,790 --> 00:07:23,930
ูุฏุงุด ุจูุตูุฑ 10G ูุงูุชูุง ูุฐุง ูุฃ ูู ูุงู ุนูุฏู 32 meter
94
00:07:23,930 --> 00:07:32,240
per second squared ูุฏ ุงูุด ุจูุณู
ููุง 3.2G forceููุฐุง
95
00:07:32,240 --> 00:07:37,220
ุงูู measurement ุงููู ุนูุฏูุง ุงููู ุจุณูููุง ุงูุงู ุงู
96
00:07:37,220 --> 00:07:43,830
inertia ุงูุด ุงู inertiaุุงูู inertia ูุนูู ุฏู ุถุฑุจุท ุงู
97
00:07:43,830 --> 00:07:49,870
velocity ุจุงูุฅูุดุ ุจุงูmass ูุฅูู ูู
ุง ุฃูุง ุจุฏู ุฃุฌูุจ
98
00:07:49,870 --> 00:07:54,090
ุญุงุฌุฉ ูุจูุฑุฉ ู ุฃุญุฑููุง ู
ุด ุฏู ุญุงุฌุฉ ุตุบูุฑุฉ ู ุฃุญุฑููุงุ ูุฐู
99
00:07:54,090 --> 00:07:57,970
ุฅููุง force ู ูุฐู ุฅููุง force the greater the mass
100
00:07:57,970 --> 00:08:00,650
of an object the greater the external force
101
00:08:00,650 --> 00:08:04,690
required to cause it to accelerate or decelerate
102
00:08:04,690 --> 00:08:10,260
ูุนูู ูู ุฃูุง ุฌูุจุช ุญุงุฌุฉ ูุจูุฑุฉ ู ุจุฏู ุฃุญุฑููุงู
ุด ุฒู ุญุงุฌุฉ
103
00:08:10,260 --> 00:08:14,940
ุตุบูุฑุฉ ู ุจุฏู ุงุญุฑููุง ูุงุฏุฆ ุงู ุจุฏู ุงุญุฑููุง ุจุณุฑุนุฉ ู
ุนููุฉ
104
00:08:14,940 --> 00:08:19,120
resistant to acceleration or deceleration due to
105
00:08:19,120 --> 00:08:22,820
the mass of an object is called inertia ุงู inertia
106
00:08:22,820 --> 00:08:29,120
ุงููู ูู ุฅูุด ุงูุขู ุงูู
ูุงูู
ุฉุงูู
ู
ุงูุนุฉ .. ุงูู
ู
ุงูุนุฉ ุฏู
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00:08:29,120 --> 00:08:34,380
ุชุนุจูุฑ ุฌุฏูุฏ ู
ูุงูู
ุฉ ูู
ุง ู .. ุฏู ุงููุญุธุฉ ุจูุณู
ููุง
108
00:08:34,380 --> 00:08:38,580
ุงูู
ู
ุงูุนุฉ ุนุดุงู ูุดุฑูุง ุชุนููู ุนููุง ูุงูู
ูุงูู
ุฉ ุงููู ูู
109
00:08:38,580 --> 00:08:43,560
ุฅูุด ุจูุณู
ููุง ุงููู ูู ุงูุฅูุฑุด ู
ูุงูู
ุฉ ูู acceleration
110
00:08:43,560 --> 00:08:47,600
ุฃู or deceleration ุจูุณู
ููุง ุงูู
ูุงูู
ุฉ ุงููู ุนูุฏู
111
00:08:51,040 --> 00:08:56,320
ุจุนุฑูุด ููุง ูู ุงูุนุฑุจู ู
ู
ุฑูุด ุนูููุง ุฏูุฉ ุงู ู
ุฑ ุงูุฃุฎุฑ
112
00:08:56,320 --> 00:09:02,700
ู
ุฑุฉ ุฃูุงู
ุซุงูููุฉ ู ู
ุด ุฐุงูุฑูู
ุจุณ resistance ุฏุงูู
ุง
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00:09:02,700 --> 00:09:09,340
ุจูููู .. ุจ physicalityูุจูู ุฎูุงุต ุณู
ููุง ุงููู ุจุชุณู
ููุง
114
00:09:09,340 --> 00:09:16,080
ููู ุฒูู
okay it's called inertia when an object is
115
00:09:16,080 --> 00:09:19,860
in motion it's resistant to deceleration due to
116
00:09:19,860 --> 00:09:24,180
inertia is often called momentum ูุฐู ู
ุฑุช ุนูููู
117
00:09:24,180 --> 00:09:31,200
ู
ุธุจูุท ุงูุด ุจุชุณู
ููุง ูุฐู momentum ุชุญุฑุฑ
118
00:09:33,970 --> 00:09:39,270
ุฎูุงุต ุงููู ุจูุณู
ูู .. ุงูุง
119
00:09:39,270 --> 00:09:44,630
ุงุชุนูุฏุช ุนูููุง ุฒู ู
ููุฉ ูู
ุง ุงูุฏุฑุณุช ุฃูู ุฃุณุจูุน ุชุฑุฌู
ุช ู
120
00:09:44,630 --> 00:09:50,660
ุจุนุฏูุง ุฑู
ูุช ุงูุชุฑุฌู
ู ุจุฏูุช ุฃุดุบู ุจุฏูู ุชุฑุฌู
ุทูุจ simple
121
00:09:50,660 --> 00:09:54,760
machines ุงูุงู ุงุชููู
ูุง ุนู ุงู motion ุจูุชููู
ุงูุงู ุนู
122
00:09:54,760 --> 00:09:58,560
ุงู simple machines what we mean the word machine
123
00:09:58,560 --> 00:10:02,720
generally referred to an assembly which has parts
124
00:10:02,720 --> 00:10:08,580
that move ูุนูู ุงูู
ุงุดููู ุฏุงูู
ุง ูู ุญุงุฌุฉ ุฌุณู
ูู ุฃุฌุฒุงุก
125
00:10:08,580 --> 00:10:12,360
ุชุชุญุฑู ูุฐู ุงูู
ุงุดููู however a simple machine can be
126
00:10:12,360 --> 00:10:18,840
very basic deviceุงูู simple machine ุงููู ูู ุฌูุงุฒ
127
00:10:18,840 --> 00:10:23,480
ุจุณูุท ุฌุฏุง a simple machine is something which
128
00:10:23,480 --> 00:10:27,020
provides a mechanical advantage ุงูุขู ุงู mechanical
129
00:10:27,020 --> 00:10:31,380
advantage ุฅูุด ูุนูู ูุนูู ุจูุนุทููุง .. ุจูุนุทููุง ู
ูุฒุฉ ุนู
130
00:10:31,380 --> 00:10:36,450
ุงูุฅูุฏู
ุธุจูุท ูุงู mechanical advantage that is load
131
00:10:36,450 --> 00:10:40,870
generated by the machine the force it puts out or
132
00:10:40,870 --> 00:10:45,050
outputs is greater than efforts the force put in
133
00:10:45,050 --> 00:10:49,150
or input required to generate the load ูุนูู ูู ุฃูุง
134
00:10:49,150 --> 00:10:55,510
ุจุฏู ุฃุฌู ุฃูู ุจุฑุบู ุจุฅูุฏู ุจูุฏุฑุด ูู ุฌุจุช ุงูู
ูุงู ุจุนุทููู
135
00:10:55,510 --> 00:11:00,890
ููุฉ ุฃูุชุฑ ู
ุธุจูุทููุฐู ูู simple tool ุงููู ูู ุจูุณู
ููุง
136
00:11:00,890 --> 00:11:07,050
ุฏู machine ุงู .. ูู
ูู spanner ุดูุชูุง ุงูุชูุง ูุจู ูููุง
137
00:11:07,050 --> 00:11:14,310
ุงููู ูู ุฅูุดุ ุฅูุด ุณู
ููุงูุง ุจุงูุนุฑุจูุ ุงูู
ูุชุงุญ
138
00:11:15,760 --> 00:11:20,040
ู
ุธุจูุท ู
ูุชุงุญ ุงู .. ูุงู .. ูุงู ูู ู
ูุชุงุญ ุงู ..
139
00:11:20,040 --> 00:11:25,800
ุงูุจุฑุงุบู ุฃู ู
ูุชุงุญ ุงู .. ุงูุณู
ูุงุช ูุฏููุ ูุงู ุณู
ูุงุกุ
140
00:11:25,800 --> 00:11:28,620
ุจุฑุถู ูุฐุง simple machine ุฒู ู
ุง ููุดูู ูู ุงู example
141
00:11:28,620 --> 00:11:32,600
ูุฐุง an example of simple machine is a lever ุงู
142
00:11:32,600 --> 00:11:42,300
lever ุงููู ุฅูุดุ which is used with a fulcrum a
143
00:11:42,300 --> 00:11:47,860
point which act as a support ุงูุขู ุทูุน ุนูุฏููู ุงูุง
144
00:11:47,860 --> 00:11:54,240
.. ุงูู ุฌูุจ ุชุจุนูุ ุงูุง
145
00:11:54,240 --> 00:12:06,260
ุฌูุจุช ุฌูุจ ู
ุนุงูู ู ู
ูุจูู .. ุงูุงู
146
00:12:06,260 --> 00:12:12,000
ูุงุฐู ุฑุงูุนุฉ ูู ุงูุง ุญุทูุช ุญุงุฌุฉ ููุง ู ุจุฏูุง ูุฒู ููุง
147
00:12:12,000 --> 00:12:17,310
ุจูุฏุฑ ุงุฑูุนูุง ู
ุตุจูุทูุฐุง ุงูุงู ุงููู ุจูุญูู ุนููุง ูุฐู
148
00:12:17,310 --> 00:12:22,410
ุจูุณู
ููุง liver ุงููู ูู ุงูุฑุงูุนุฉ ุงููู ุฃูุง ุจุถุบุท ุนูููุง
149
00:12:22,410 --> 00:12:26,190
ูุฃุฑูุน ุนุดู which is used with a fulcrum a point
150
00:12:26,190 --> 00:12:29,310
which act as a support and allow the liver to
151
00:12:29,310 --> 00:12:34,970
pivot ุงูุงู ูุฐู ุงูููุทุฉ ููู ุจุญุฑููุง ุจุชุนุทููู ุฅูุดุ
152
00:12:34,970 --> 00:12:39,370
ูุฏุงุดู ุจุฏู ุฃุฑูุนู ูุฐุง ุงุญูุง ุจูุณุชุฎุฏู
ูุงุด ูุชูุฑ ูุนูู ุงููุง
153
00:12:39,370 --> 00:12:43,350
.. ุจุณ ูู ุจุฏู ุฃุฑูุน ุญุงุฌุฉ ุจุญุทูุง ุนูู ุฎุดุจ ู ุจุฏุนุณ ู
ู
154
00:12:43,350 --> 00:12:48,650
ุงุชุฌุงู ุงูู
ุนุงูุณ ุจุชุฑูุญูุง ูู .. ููุงุฑุชูุงุน ุงููู ุจุฏููุงุ
155
00:12:48,650 --> 00:12:52,470
ูุฐุง ูู ุญุงุฌุฉ ุชูููุฉ ุจูุณุชุฎุฏู
ูุง ู ุจุชุฒูู .. ุจุชูุฒุญ ..
156
00:12:52,470 --> 00:12:57,150
ุจุชูุฒุญ .. ูุฐุง machine ุจุณูุทุฉ ุฌุฏุงุ ุจูุฒูููุง ูููุตููุง
157
00:12:57,150 --> 00:13:04,810
ููููุทุฉ ุงููู ุจุฏูุง ูุนููFulcrum ูู ู
ููุน ูุนู
ู ูู
ุณุงุนุฏุฉ
158
00:13:04,810 --> 00:13:09,710
ููุณู
ุญ ูุดุฑูุฉ deliver ุชุชุญุฑู ุญูู ุงูู
ุณุงุนุฏุฉ ุฅุฐุง ูุงูุช
159
00:13:09,710 --> 00:13:13,970
ุดุฑูุฉ deliver ู
ูุงุฌูุฉ ูุงูู
ูุงุฑูุฉ ุจูู ุงููุฌูู
ู ุงูู
160
00:13:13,970 --> 00:13:18,630
Fulcrum ูู ุฃูุจุฑ ู
ู ุงูู
ูุงุฑูุฉ ุจูู ู
ูุงุฌูุฉ ู Fulcrum
161
00:13:18,630 --> 00:13:21,990
ูุฐู ุงููู ุจูุณู
ููุง ุงูู Fulcrum ุงููู ูู ููุทุฉ ุงู pivot
162
00:13:21,990 --> 00:13:26,930
ุงููู ุนูุฏู ูุฐู ุงูุงู ูู ูุฐู ุฃุฌุช ููุง ุงููุฌูู
ุงููู ุนูุฏู
163
00:13:26,930 --> 00:13:33,070
ุฅูุด ุจุฏู ููููุุฃูู ู
ู .. ูุนูู ุจุฏุฃ .. ูู ูุฐุง ุญุทูุชูุง
164
00:13:33,070 --> 00:13:38,310
ููุง ุงู effort ุงูู
ุทููุจ ููุง ุฃุนูู ูุชูุฑ ู
ู ูุฐุง ูุฅูุด
165
00:13:38,310 --> 00:13:43,410
ุตุงุฑ ุนูุฏูุ ุงู distance ุฅููุง ู
ูุนูู ู
ุน ุงู effort ุงููู
166
00:13:43,410 --> 00:13:46,370
ุชุนุทููู ุฅูุงูุงุ ู
ุธุจูุท ููุง ูุฃุ ูุฐุง ุฎุฏูุงูุง ุจุฑุถู
167
00:13:46,370 --> 00:13:51,210
ุจุงูููุฒูุงุ ุตุญุ ุงูุนุฒู
ุ ู
ุธุจูุทุ ููุฐู ูุณู ุฐุงูุฑูุง ู
ู
168
00:13:51,210 --> 00:13:52,110
ุฃูุงู
ุงูุซุงูููุฉ
169
00:13:55,680 --> 00:13:59,000
ููุง if the lever is placed so that the distance
170
00:13:59,000 --> 00:14:01,680
between the effort and the fulcrum is greater than
171
00:14:01,680 --> 00:14:03,960
the distance between the load and the fulcrum, a
172
00:14:03,960 --> 00:14:07,980
mechanical advantage is created ูููุง ุฅูุด ุฃูุง ุงููู
173
00:14:07,980 --> 00:14:12,080
ุจุฏู ุฅูุงูุ ูู ุงูู
ุณุงูุฉ ุจูู ููุง ู ููุง ุฃูุจุฑ ู
ู ูุฐู ู
174
00:14:12,080 --> 00:14:15,690
ูุฐูุตุงุฑ ุนูุฏู mechanical advantage ูุนูู ุตุงุฑุช ุนูุฏู
175
00:14:15,690 --> 00:14:21,770
ู
ูุฒุฉ ูุฅูู ุฃูุฏุฑ ุฃุณุชุฎุฏู
ูุง ุฃู ุจุชุฎูู ุงูุนุจุก ุงูู
ุทููุจ ู
ูู
176
00:14:21,770 --> 00:14:25,270
ูุฃุดุบู ููู in general language the turning force
177
00:14:25,270 --> 00:14:29,150
generated by a lever is called leverage ุงููู ูู
178
00:14:29,150 --> 00:14:32,970
ูุงุฒู
in engineering a turning force is called a
179
00:14:32,970 --> 00:14:38,270
turning moment or moment moments are calculated by
180
00:14:38,270 --> 00:14:43,310
multiplyingthe distance from the fulcrum in meter
181
00:14:43,310 --> 00:14:46,990
by the magnitude of force in newton ุงููู ูู ุงูุนุฒู
182
00:14:46,990 --> 00:14:52,290
ุงูู
ุณุงูุฉ ูุฐู ุถุฑุจ ููู
ุฉ ุงู force ุชุนุทููุง ุงู moment
183
00:14:52,290 --> 00:14:56,570
ุงููู ุนูุฏูุง ุฃู ุงู turning moment ุงููู ุงุญูุง ุณู
ูุงูุง
184
00:14:56,570 --> 00:15:00,410
turning force ุงููู ู
ูุฌูุฏ they are measured in
185
00:15:00,410 --> 00:15:07,050
newton meters ุงูุงูู ุงุชููู
ูุง ุนููู
ุงูุด ูุญุฏ ุงูุขู ูุฌู
186
00:15:07,050 --> 00:15:11,180
ูุจุฏุฃ ูู ุงูุฃูู ุงุชููู
ูุง ุนู ุงู accelerationู ุงู
187
00:15:11,180 --> 00:15:15,900
deceleration ุตุญุ ุฅูุด ุงุชููู
ูุง ุจุนุถูุงุ ุงุชููู
ูุง ุนู
188
00:15:15,900 --> 00:15:21,060
ุงููุญุฏุงุช ุชุจุนุชูู
ูููุง ุงู velocity ุงููุญุฏุฉ ุชุจุนุชูุง ุฅูุดุ
189
00:15:22,050 --> 00:15:25,930
meter per second ู ุงู acceleration ู ุงู
190
00:15:25,930 --> 00:15:30,230
deceleration ุงููุฉ ุงูุงู ุงุชููู
ูุง ุนู ุงู inertia ุงู
191
00:15:30,230 --> 00:15:33,670
inertia ุงูุด ุนุจุงุฑุฉ ุนู ุงูุด ุงู resistance ูู
192
00:15:33,670 --> 00:15:37,870
acceleration ุงู ุงู deceleration ู ูุฐู ุงููุง ุนูุงูุฉ
193
00:15:37,870 --> 00:15:42,590
ุจู
ูู ุจุงู mass ู
ุธุจูุท ุงุชููู
ูุง ุงุฎุฑ ุงุดู ููุง ุนูู ุงู
194
00:15:42,590 --> 00:15:46,350
simple machines ู ุงู simple machines ูููุง ุจุชุนุทููุง
195
00:15:46,350 --> 00:15:52,110
mechanical advantagesููุดุชุบู ูููุง ููู ุนุงุฏุฉ ูุชููู
196
00:15:52,110 --> 00:15:58,330
ู
ููุง ุจุชุนุทููุง leverage ุงููู ูู ุงู leverage ุงููู ูู
197
00:15:58,330 --> 00:16:03,310
ุงูู
ูุฒุฉ ูุฐู ุงู engineering turning force is called
198
00:16:03,310 --> 00:16:06,850
a moment ุงููู ุนูุฏู ุงู turning force ุงููู ุนูุฏู ุงู
199
00:16:06,850 --> 00:16:10,730
moment are calculated by multiplying ุงู distance
200
00:16:11,660 --> 00:16:15,620
multiplied by ุงู force ุงููู ุนูุฏู ููู measured per
201
00:16:15,620 --> 00:16:21,960
Newton ู
ุชุฑ ุงููู ุนุงุฏู ูุงุชููู
ูุง ุนูู ุงู gravity ูููู
202
00:16:21,960 --> 00:16:26,960
ุงุญูุง ุจูุนู
ู measurement ูู unit using ุงู 1G ู ุงู 2G
203
00:16:26,960 --> 00:16:30,740
ู ูุฐุง ุงููู ุนุงุฏู ูุฐุง ุจุดูู ุนุงู
ุงููู ุงุชููู
ูุง ุนูู ุงูุขู
204
00:16:30,740 --> 00:16:35,670
ููุฌู ูุชุทูุน ุนูู ุงู exercises ุงููู ู
ูุฌูุฏุฉ ุนูุฏูุงู
205
00:16:35,670 --> 00:16:38,610
exercise ุจูุณุฃููู
please the article about the
206
00:16:38,610 --> 00:16:42,430
Titanic taken from a popular science magazine
207
00:16:42,430 --> 00:16:47,570
ุชุนุงููุง ุงุณู
ุนุชูุง ุจุงูุชุงูุชุงูููุ ุงูุด ููุ ุณูููุฉ .. ุณูููุฉ
208
00:16:47,570 --> 00:16:49,190
.. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ ..
209
00:16:49,190 --> 00:16:49,230
ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ
210
00:16:49,230 --> 00:16:50,110
.. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ ..
211
00:16:50,110 --> 00:16:54,330
ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ
212
00:16:54,330 --> 00:16:55,390
.. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ ..
213
00:16:55,390 --> 00:16:55,390
ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ .. ุณูููุฉ
214
00:16:55,390 --> 00:16:59,200
.. ุณูููุฉ .. ุณูููุฉุถุฎู
ุฉ ุฌุฏุง ู ูููุฉ ุฌุฏุง ู ูุงููุง ูุฐู
215
00:16:59,200 --> 00:17:03,600
ุงูุณูููุฉ ู
ุด ูุช .. ูุนูู ูู ู
ุด .. ู
ุด ูุช .. ูุชุจุญุฑ ุงู
216
00:17:03,600 --> 00:17:09,040
.. ุงู .. ุงูุงุทูุณ ุงูู
ุญูุท ุงูุฃุทูุณู ู ุชุชุญุฏู ุงููุฏุฑุงุช ุงู
217
00:17:09,040 --> 00:17:13,940
.. ุงู .. ุงููุฏุฑุงุช ุงูููู ููุฐู ูุงููุง ูุฐู ุงูุณูููุฉ ู
ุด
218
00:17:13,940 --> 00:17:18,860
ู
ู
ูู ูุญุตูููุง ุฃู ุญุงุฌุฉ ูุฐู ุงูุณูููุฉ ุงููู ุนู
ูุช ุฒู ุฐูู
219
00:17:18,860 --> 00:17:25,610
ุงูุตุฏู
ุช .. ุตุฏู
ุช iceberg ุงููู ูู ุฌุจู ุฌููุฏููุงุชูุณุฑุช
220
00:17:25,610 --> 00:17:33,030
ูุบุฑูุช ูู
ุงุช .. ูู
ุงุช ูููุง .. ูู
ุงุช
221
00:17:33,030 --> 00:17:41,990
ูููุง ูุนูู ุงูู ูุฎู
ุณู
ูุฉ ูุณุจุนุชุงุดุฑ ุดุฎุต ุงูุขู ุงูุชุญููู
222
00:17:41,990 --> 00:17:46,730
ุชุจุนูุง ุจูุญูู ุทูุจ ุฎูููุง ูุดูู ุฅูุด ุงู article ุจุชููู
223
00:17:46,730 --> 00:17:54,100
ุนููุงูุฃู
ุฑ ูุชู
ุฅูุชุฑุงุญู ุจุฅู ุงูู
ุณุงูุฑ ููููุงุฑ ุชูุชุงููู ูู
224
00:17:54,100 --> 00:18:00,900
ูููู ู
ุญุทู
ุจุนุฏ ุงูุงุชูุงู ู
ุน ุนุตุจุงุฑ ูู ุนุงู
1912 ุฅุฐุง ูุงู
225
00:18:00,900 --> 00:18:05,680
ู
ุญุทู
ุงูู
ุญุทู
ู
ุญุทู
ูุฏู
ุฌ ููุท ุฃู
ุงู
ุงูุณูุงุฑุฉ
226
00:18:08,860 --> 00:18:15,000
ูุนูู ู
ุง ุจูุชุฑุญูุง ุงูู ูู ุงูุณูููุฉ ุงู Titanic ุงููู ูู
227
00:18:15,000 --> 00:18:21,120
ุงูุฎุท ุงู Titanic ุงูุณูููุฉ ูุฐู ูู ุงููุง ุงุตุทุฏู
ุช ุจุงู
228
00:18:21,120 --> 00:18:27,560
iceberg head on ูุนูู ุจุงูู
ูุฏู
ุฉ ุงูู
ุจุงุดุฑุฉ ูุงู ุงูู
229
00:18:27,560 --> 00:18:34,760
ู
ู
ูู ู
ุง ุชุบุฑูุด ููุดุ ุทุงูุนุด ุงูุชูุณูุฑ ุงููู ุนูุฏู as
230
00:18:34,760 --> 00:18:40,950
historyas history tells ุญุณุจ ุงูุชุงุฑูุฎ the crew tried
231
00:18:40,950 --> 00:18:46,130
to turn to avoid the iceberg ูุนูู ุทุงูู
ุงูุณูููุฉ
232
00:18:46,130 --> 00:18:52,290
ุญุงูู ููู ุงูุณูููุฉ ู ูุจุนุฏูุง ุนู ุฌุจู ุงูุฌููุฏ ูุงูุตุฏู
ุช ู
ู
233
00:18:52,290 --> 00:18:52,950
ุงูุฌุงูุจ
234
00:18:57,680 --> 00:19:02,100
and one thousand five hundred seventeen lives were
235
00:19:02,100 --> 00:19:05,880
lost but how severe would a frontal impact have
236
00:19:05,880 --> 00:19:11,040
been for the passengers ูุนูู ุจูุณุฃู ุทูุจ ููู ูู ูุงู
237
00:19:11,040 --> 00:19:17,720
ุงูู ุงูุชุตุงุฏู
ุงูู
ุจุงุดุฑูู ุงูู
ูุฏู
ุฉ ุชุจุนุช ุงูุณูููุฉ ู
ุน ุงู
238
00:19:17,720 --> 00:19:22,160
ice berg ุฅูุด ุชุฃุซูุฑูุง ุนูู ุงูู
ุณุงูุฑูู the answer
239
00:19:22,160 --> 00:19:25,440
depends on several questions ุฅูุด ุงูุฃุณุฆูุฉ ุงููู
240
00:19:25,440 --> 00:19:29,840
ุจูููููุง the ship tried to slow while turning with
241
00:19:29,840 --> 00:19:37,980
ุงูุขู ุงูุณูููุฉ ุญุงููุช ุชุจุทุฆ ุณุฑุนุชูุง ู ูู ุจุชูู ุงูุขู with
242
00:19:37,980 --> 00:19:43,590
ุฅูุด deceleration have been more effectivelinear
243
00:19:43,590 --> 00:19:49,570
deceleration ุงููู ูู linear ุฎูุงู ุงูููุฉ ุจุทูู linear
244
00:19:49,570 --> 00:19:54,710
have been more effective allowing the ship to more
245
00:19:54,710 --> 00:19:59,550
rapidly decelerate ุงุญูุง ุจุชุชููู
ุนู linear ุงู
246
00:19:59,550 --> 00:20:03,550
deceleration ูู
ุนูุงุชู ุงูุดุ ุจุฏู ุงุฑุชุจุท ุนููุง ุงู
247
00:20:03,550 --> 00:20:08,030
deceleration ุงู decelerate more rapidly based on
248
00:20:08,030 --> 00:20:13,810
this ุงูุด of decelerationุุงูุงู .. ุงูุงู .. and
249
00:20:13,810 --> 00:20:16,930
assuming the ship would not have .. would not have
250
00:20:16,930 --> 00:20:21,430
stopped in time based on the rate of deceleration
251
00:20:21,430 --> 00:20:26,550
ูุนูู ุงููู ูู what would have .. what would the
252
00:20:26,550 --> 00:20:30,350
edge of the ship have been at that moment of the
253
00:20:30,350 --> 00:20:35,330
impact ุงูููุต ูุนูู ูุฏูุด ุจุฏูููู ุงูููุต ูุนูู ููุง ุญุทููุง
254
00:20:35,330 --> 00:20:38,610
ุฅูุด linear
255
00:20:41,040 --> 00:20:46,740
ููุง ุญุทููุง ุฏู ุณููุงุฑูุช ุฏู
256
00:20:46,740 --> 00:20:57,620
ุณููุงุฑูุช ููุง ุญุทููุง ุงู rate ููุง velocity of the ship
257
00:20:57,620 --> 00:21:02,480
have been at the moment of impact what was the age
258
00:21:02,480 --> 00:21:07,340
of the iceberg ุงุญูุง ูููุง ูู ุญุงุฌุฉ ู
ุน ุงู iceberg ุงูุด
259
00:21:07,340 --> 00:21:10,400
ูู ุงู mass ุงู mass of the iceberg
260
00:21:13,730 --> 00:21:19,030
calculate the appropriate number of kilograms of
261
00:21:19,030 --> 00:21:23,230
the iceberg would allow the .. ุงูุด .. ุงูุด ุงููู
262
00:21:23,230 --> 00:21:33,130
ุจูุฌู ู
ุน ุงูmass ู ุงู speed ุงู inertia inertia
263
00:21:33,130 --> 00:21:40,210
inertia inertia ุทูุจ
264
00:21:40,210 --> 00:21:49,420
of the iceberg haveุณูููู ู
ูุงุฑูุฉ ู
ุน ู
ุฏููุฉ ุชูุชุงููู
265
00:21:49,420 --> 00:21:57,060
ููุฐุง ุณูุณู
ุญ ูุฅูุจุนุงุฏ ุงูุฅูุจุนุงุฏ ูุฅูุจุนุงุฏ ุงูุฅูุจุนุงุฏ ุฅูู
266
00:21:57,060 --> 00:21:57,620
ู
ุฏุฑุฌ ู
ูู
267
00:22:05,500 --> 00:22:11,880
and so .. so observe some of the shock as it was
268
00:22:11,880 --> 00:22:16,440
pushed forward ูุนูู ุฅูุด ุจูุญูู ูุฐุงุ ูู ุฃุญูุง ุงูุณูููุฉ
269
00:22:16,440 --> 00:22:24,400
ุตุฏู
ุช ูู ุงูุฌุจู ุงูุฌุจู ุญุณุจ ููู
ุฉ ุงููุฒู ุชุจุนู ูู ููุชุญุฑู
270
00:22:24,400 --> 00:22:30,100
ู ููุชุตุงุฑุน ูู ูุฐุง ููุฐู ูุชุนู
ู ุงู shock ุฃุฎู ู
ู ุงููู
271
00:22:30,100 --> 00:22:34,960
ูุงูุช ุนููู ูุฐุง ุงููู ุจูุญูู ููู ุญุณุจ
272
00:22:43,160 --> 00:22:47,400
ุงูุงู ุจุงูุทุจุน ุงูุณุคุงู ุงูุฃุนูู ูุนุชู
ุฏ ุนูู ุนุฏุฏ ุบูุฑ ู
ุนุฑูู
273
00:22:47,400 --> 00:22:50,860
ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู
274
00:22:50,860 --> 00:22:51,380
ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู
275
00:22:51,380 --> 00:22:51,380
ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู
276
00:22:51,380 --> 00:22:51,500
ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู
277
00:22:51,500 --> 00:22:51,500
ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู
278
00:22:51,500 --> 00:22:51,740
ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู
279
00:22:51,740 --> 00:22:54,580
ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู
280
00:22:54,580 --> 00:22:59,220
ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑูู ุบูุฑ ู
ุนุฑู
281
00:22:59,240 --> 00:23:04,980
that's seven ูุฐุง ุงููู ุจูููู ุฎูููุง ูููู ุงูู ุงูุชุตุงุฏู
282
00:23:04,980 --> 00:23:10,100
ุญุตู ุนูู ุณุฑุนุฉ ุณุฑุนุฉ ุฎู
ุณุฉ ูุนุดุฑูู ููููู
ุชุฑ per an hour
283
00:23:10,100 --> 00:23:13,440
ูุฐู ูู
ุง ูุญูููุง ู seconds ุงูุด ู
ู
ูู ุชุตูุฑ that's
284
00:23:13,440 --> 00:23:21,130
seven meter per second ุงูุณุฑุนุฉูุงูุฐู ูุณู
ุญ ููู
ุญุทุฉ
285
00:23:21,130 --> 00:23:27,670
ุจู
ูุงุญุธุฉ ู
ู ุงูู
ุตุฏุฑ ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ
286
00:23:27,670 --> 00:23:29,610
ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ
287
00:23:29,610 --> 00:23:33,390
ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ
288
00:23:33,390 --> 00:23:34,250
ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ
289
00:23:34,250 --> 00:23:34,430
ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ
290
00:23:34,430 --> 00:23:36,250
ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ
291
00:23:36,250 --> 00:23:41,290
ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ
292
00:23:41,290 --> 00:23:47,210
ุงูุชููู ูุงูู
ุญุทุฉ ุงูุชููู ูุงูู
ุญุทุฉ
293
00:23:47,210 --> 00:23:51,710
ุงูุชููุซูุงูู although it would probably have taken
294
00:23:51,710 --> 00:23:55,470
longer this would have resulting in deceleration
295
00:23:55,470 --> 00:23:58,470
of two point three ุงูุด ุงู unit ุชุจุนุช ุงู
296
00:23:58,470 --> 00:24:02,910
deceleration ููุณูุง meter per second square
297
00:24:02,910 --> 00:24:11,890
expressed as in g ูุฏุงุด ูุงุฏ in g ุงู two point three
298
00:24:11,890 --> 00:24:20,120
ูุฏุงุด ุชูุช ููุณู
ุนูู ุนุดุฑุฉ ู
ุธุจูุทas a g force that
299
00:24:20,120 --> 00:24:25,500
gives 0.23 less than one third of deceleration
300
00:24:25,500 --> 00:24:29,780
generated by a car breaking heavily ูุนูู ูุฐุง ุจูููู
301
00:24:29,780 --> 00:24:34,020
ูู ุงุญูุง ุงู assumption ุงููู ุนู
ููุงู ุฒู ูููู ููุงุญุธ
302
00:24:34,020 --> 00:24:41,640
ุงูู ุงู deceleration ุนูุฏู ุชูุฑูุจุง 0.23 g force ูุนูู
303
00:24:41,640 --> 00:24:46,710
2.3 ูุฐู ูู ุณูุงุฑุฉ ู
ุงุดูุฉูุนู
ูุช breaking heavy ุงูุด
304
00:24:46,710 --> 00:24:52,370
ุจูุตูุฑ ููุฑูุงุจ ุงููู ูููุงุ ุจูุตุฏู
ูุง ููู ุจุณ ุจูู
ูุชูุด
305
00:24:52,370 --> 00:24:57,510
ู
ุธุจูุท ูุฐุง ุงููู ุจูุญููุง ูููุง so the impact probably
306
00:24:57,510 --> 00:25:00,650
wouldn't have caused too much of a shock to the
307
00:25:00,650 --> 00:25:04,350
passengers whether or not the ship would have sunk
308
00:25:04,350 --> 00:25:08,390
however is another story ูุนูู ูุฐุง ุจูููู ุงู ูุฐู
309
00:25:08,390 --> 00:25:14,050
ูุชููู ุชูุฑูุจุง ุชูุช ุตุฏู
ุฉ ุงูุณูุงุฑุฉ ุงููู ุจุชููู ูุฌุฃุฉุฃู
310
00:25:14,050 --> 00:25:20,500
ุจุชุถุฑุจ ุฏุฑูุงุช ูุฌุฃุฉ ููุฐุง ู
ู
ูู ูุงู ุงููุงูุณูููุฉ ู
ุงุชุบุฑูุด
311
00:25:20,500 --> 00:25:25,260
ููุฐุง ูู
ูู ูุตุฉ ุชุงููุฉ ุญุณุจ ุงูุฑูุงูุฉ ุชุจุนุชูู
ูุฐุง ุงููู
312
00:25:25,260 --> 00:25:30,340
ุจูุญู .. ุงููู ุจูุญู ููู ุงูู ูุฐู ุจูุชููู
ุนูู ูุตุฉ ุงู
313
00:25:30,340 --> 00:25:35,360
Titanic ุจุณ ู
ู ู
ูุธูุฑ ููุฒูุงุฆู ุงู ู
ูุธูุฑ scientific
314
00:25:35,360 --> 00:25:38,540
data
315
00:25:38,540 --> 00:25:43,000
ูุงุญูุง ููุง ุทูุนูุง ุนูููุง ููุณุฑูุงูุง ุญุณุจ ุงููุชุงุจ ุจุจููู
316
00:25:43,000 --> 00:25:46,760
ุงูู ู
ู
ูู ู
ุงููุชุด ุชุบุฑู ูู ุงุญูุง ุงุณุชุฎุฏู
ูุง ุจุงู term
317
00:25:46,760 --> 00:25:52,890
ุงููู ุนูุฏูุงุทูุจุ ุงูุขู ูุฐุง ุดูููุงู ูุจู ููู ูู
ุง ุงุชููู
ูุง
318
00:25:52,890 --> 00:25:56,570
ุนู ุงูุจุฑุงุบู ู ุงู tools ุงู screws ู ุงู nuts ูุฐุง ุงููู
319
00:25:56,570 --> 00:26:00,270
ุณู
ููุง ุงู nuts ูุฐุง ุงููู ุณู
ููุง ุงู spanner ู ููููุง
320
00:26:00,270 --> 00:26:04,690
ูุฐุง ุงู spanner ูู
ุง ูุฌู ูู ุงูุง ุจุงู ุงูู ุจุฏุงุฌุฉ ุงูููุง
321
00:26:04,690 --> 00:26:09,610
ู
ุด ูุนู
ู generation ุฒู ูู ุงูุง ุงุณุชุฎุฏู
ุช ุฏุฑุงุน ู
ูุฌูุฏุฉ ู
322
00:26:09,610 --> 00:26:15,110
ูู ู
ุง ุทููุช ุงูุฏุฑุงุน ูู ู
ุง ุงูุด ุนู
ูุชูุง ูู ุนุฒู
ุงูุจุฑ
323
00:26:15,110 --> 00:26:19,530
ุงูู
ูุฌูุฏุฉreplace the underlined word and expression
324
00:26:19,530 --> 00:26:24,050
with alternative word and expression from a and b
325
00:26:24,050 --> 00:26:27,770
ุงููู ูุฏุฑูุง ุงููู ุนูุฏู ุงู first diagram below ุงููู
326
00:26:27,770 --> 00:26:33,610
ุนูุฏู below illustrates how a worker is able to
327
00:26:33,610 --> 00:26:39,010
apply total force of fifty newtons to the corner
328
00:26:39,010 --> 00:26:43,790
of a nut using just his fingers ูุฐู ุงููู ุนูุฏู ุจุฏู
329
00:26:43,790 --> 00:26:47,980
ูุนู
ู ุฎู
ุณูู ูููุชู ุจุงุณุชุฎุฏุงู
ุงูุฅูุฏูุงู ู
ุด ูู ุงููุงุณ
330
00:26:47,980 --> 00:26:55,200
ุจุชูุฏุฑ ุชุนู
ููุง ุตุญุ ุดูุ ูู ุฃูุช ุจุฏู ุชุญุฒุฌู ุจุฑุบู ุณู
ููุง
331
00:26:55,200 --> 00:27:00,580
ุฒู ููู ุฒู ูููุ ุงููุฉ ุงูู ููุงุช ุณููุฉ ุจุนุฏูู ูู
ุง ุจุฏุงุด
332
00:27:00,580 --> 00:27:05,340
ูุญุฒุฌ ุชุธุจุทุด ุงุญูุง ูุฏุด .. ูุฏุด ุงููู ุฃูุช ุจูุฏุฑูุงูุ ูุฏุด
333
00:27:05,340 --> 00:27:08,820
ุฃูุชุฑุด ุงููู ุฃูุช ุจูุฏุฑูุงูุ ุจุนุฑูุด ุชุนุชู
ุฏ ูู ูุงุณ .. ูู
334
00:27:08,820 --> 00:27:14,670
ูุงุณ ุจุชุญุฒุฌ ู ุจุชูุฏุฑูุด ุชููู ู
ู ูุฑุงูู
ู ูู ูุงุณ ุณูุงุก ..
335
00:27:14,670 --> 00:27:18,750
ุจุนุฑู ูู ูุงู ุงููุฌุงุฑ ูุงู ุจูุญุฐู ุงูู
ุตูุฑุฉ ุจูุฏู ู ูุงุช
336
00:27:18,750 --> 00:27:24,370
ุงููู ููููุง ุจุณ ู
ุด ูู ุงููุงุณ ุฒู ูููุฉ ูู ูุงุณ ุจุชูุฏุฑุด
337
00:27:24,370 --> 00:27:31,270
ุชูู ุญุงุฌุฉ ูู ุดู ุทูู ู
ูุฌูุฏ ููุฐู ุจุชุฎุชูู ุญุณุจ ุงูุฃุดุฎุงุต
338
00:27:31,270 --> 00:27:36,070
ุงูุฃุดุฎุงุต ุงููู ุจุชูุงูููู
ุจูุณุชุบููุง ู
ููููู ูู ุฏููู
ุฃู
339
00:27:36,070 --> 00:27:40,390
ุจููุนุจูุง ุญุฏูุซ ุจุชูุงูููุง ุงูุฌุจุฏุฉ ุชุจุนุชูู
ุฌููุฉ ูุจููุฏุฑ
340
00:27:40,390 --> 00:27:46,420
ูุญุฐู ุงููุงุณ ุงููู ุฒู ุญููุชูู
ุฎูููุฉ ุฌุฏุง ูุจุชูุงูููุง ูุฐู
341
00:27:46,420 --> 00:27:52,780
ู
ุด ูุชูุฑ ุจุชุดุชุบู ู
ุนุงูู
ูุงูููู ุงูููู
ุฉ force ุฅูู
342
00:27:52,780 --> 00:27:57,950
ุดููุงูุง ู
ูุชูุจุฉ ุนูุฏูุง ูู ุงููุชุงุจ effortsุงุฐุง ูุงุญุธูุงูุง
343
00:27:57,950 --> 00:28:01,950
ูู .. ูู part ุชุจุน ุงู symbol machine ูุงูุช ู
ุณุชุฎุฏู
ูู
344
00:28:01,950 --> 00:28:08,130
ุงู word force effort ูุฌูุจูุง ุงู force generated of
345
00:28:08,130 --> 00:28:11,770
fifty newtons in the corner of a nut using just
346
00:28:11,770 --> 00:28:17,450
his finger the distance from the center of the nut
347
00:28:17,450 --> 00:28:22,810
the points of the nuts the point around which the
348
00:28:22,810 --> 00:28:29,030
nut turns ุงูุด turns ุจูุตูุฑุpivot ุงูุด ูุนูู pivot
349
00:28:29,030 --> 00:28:35,730
ุจุชูู ุจุชุฑููุฒ ูุนูู ูู turn ุงูููุทุฉ ุงููู ุนูุฏู ูุฐู
350
00:28:35,730 --> 00:28:39,230
ุจูุตูุฑ ูููุง turn ูุฐู ุจูุณู
ููุง ุงู pivot ูู
ุง ุฃุฌู ุงูุง
351
00:28:39,230 --> 00:28:43,470
ุฃุญุท ููุทุฉ ู ุฃููู ูุฐู ุงููู ุนูุฏูุง ุจูู ููู ูุฐู ุจุณู
ููุง
352
00:28:43,470 --> 00:28:48,010
ุงูููุทุฉ ุฅูุด ุงู pivot point ูุนูู ูู
ุง ุฃุญุท ูุฐุง ุนูููุง ู
353
00:28:48,010 --> 00:28:51,530
ุฃููู ูุฐู ุงููู ุนูุฏู ูุฐู ุตุงุฑุช ุงู pivot point ุงู
354
00:28:51,530 --> 00:28:54,650
pivot point ุงููู ูู ููุทุฉ ุงูุฑุฃุณ ุฃู ุงูููุทุฉ ุงููู ูููุง
355
00:28:54,650 --> 00:29:02,130
ุงูุชุฃุซูุฑ ุงูุฃูููand the corner of the nuts is 10
356
00:29:02,130 --> 00:29:06,190
millimeter ูุนูู ูุฐู ุงูู
ุณุงูุฉ ุงููู ุนูุฏู ุทูุนุช ุนูููุง
357
00:29:06,190 --> 00:29:10,110
ู
ู ูุงูู ูุงูู ููู ุงููุฏ 10 millimeter ุงูุงู 10
358
00:29:10,110 --> 00:29:14,550
millimeter ุถุงุฑุจ fifty newtons ูุฏุฑุด ุจุชุนุทููู ุงู 10
359
00:29:14,550 --> 00:29:19,770
millimeter ุจุชุนุทููู ุงููู ูู ุจุชุชุณุงูู ูู ูุบุฉ ุงู meter
360
00:29:19,770 --> 00:29:22,830
point o ู
ุธุจูุท
361
00:29:25,340 --> 00:29:32,100
ุงูุงู ุจุฏู ุงุญูููุง ูุฐู ุชุนุทููู 50 ุถุงุฑุจ 0.01 ู
ุชุฑ ุชุนุทููู
362
00:29:32,100 --> 00:29:36,640
0.5 ูููุชู ู
ุชุฑ ุงููู ูู ุงูุนุฒู
ุงููู ุนูุฏู ุงู ุงู moment
363
00:29:36,640 --> 00:29:43,640
ุงูุงู ูู
ุง ุงูุง ุจุฏู ุงุณุชุฎุฏู
ุงู spanner ุงููู ุนูุฏู and
364
00:29:43,640 --> 00:29:47,120
the corner is thin the results in a force of
365
00:29:47,120 --> 00:29:53,600
leverage of 0.5 ูููุชู ู
ุชุฑ ุงูุง ุญููุช ุงูููู
ุฉ ุชุจุนุชูุง ู
366
00:29:53,600 --> 00:30:00,140
ุงูุด ููุณู
ููุงุงูู moment ูุฐู ุณู
ููุง okay this is
367
00:30:00,140 --> 00:30:05,900
insufficient to tighten the nuts properly ูุฃู ูุฐู
368
00:30:05,900 --> 00:30:12,780
ู
ุด ุฌููุฉ ูุฅูุด ุงุนู
ู ูุฃุญุฒู ุงูุณู
ููุฉ ูุฐู ุงูุงู ุงู second
369
00:30:12,780 --> 00:30:18,560
diagram show how a spanner can be used as a tool
370
00:30:18,560 --> 00:30:24,310
to .. ุฅูุด ูุฐู .. to provide .. ุฅูุด ุงู toolsimple
371
00:30:24,310 --> 00:30:30,670
machine ูุฐู ุนุจุงุฑุฉ ุนู ุงููู ุนูุฏู simple machine to
372
00:30:30,670 --> 00:30:37,170
provide a boost in force ุงูุด ูุฐู ุงููู
373
00:30:37,170 --> 00:30:42,730
ุนู
ููุงูุง mechanical advantage ูุฐุง ุงููู ุณู
ูุงูุง ููุณ
374
00:30:42,730 --> 00:30:47,630
ุงูููู
ุฉ ู
ูุฌูุฏุฉ ููุงู mechanical advantage applying
375
00:30:47,630 --> 00:30:49,510
the same 50 newton force
376
00:30:54,590 --> 00:30:58,610
ุงูุงู ูุทูุน ูููุง applying 50 newton force to the end
377
00:30:58,610 --> 00:31:05,890
of a 200 millimeter spanner which will act as a
378
00:31:05,890 --> 00:31:12,390
turning tool ุงูุด ุงู turning toolุ liverูุฐู ุงูู
ุณุงูุฉ
379
00:31:12,390 --> 00:31:18,490
ุชุฌุนู 10 ูููุชู ู
ุชุฑ ูุฑุตุฉ
380
00:31:18,490 --> 00:31:25,370
20 ู
ุฑุงุช ุฃูุชุฑ ู ูุงููุฉ ูุชุญุทู
ุงููุงุชุฒ ูุฐู
381
00:31:25,370 --> 00:31:30,290
ู
ูุงุฑูุฉ
382
00:31:30,290 --> 00:31:38,540
ุงูุจููุงุช ูุฐู 20 ู
ุฑุงุชุงูุดุบู ุจุงูุฅูุฏ ุงููู ุนูุฏู twenty
383
00:31:38,540 --> 00:31:41,880
times greater and enough to tighten the nuts
384
00:31:41,880 --> 00:31:45,780
ููุงููุฉ ูุฅููุง ุชุณููุง ููุฐู ุจุชูุงุญุธููุง ูู ุงู simple
385
00:31:45,780 --> 00:31:51,000
machine ูุฐู ุจูุณุชุฎุฏู
ูุง ุจุงูุฅูุฏ ุจุดูู ู
ุจุงุดุฑ ุฅุฐุง ุทูุนูุง
386
00:31:51,000 --> 00:31:56,220
ุนูููุง ูููุง ูุงู simple machine ุฅูุด ุจุชุนุทููุง ู
ู
387
00:31:56,220 --> 00:31:58,920
ุงูููู
ุงุช ุงููู ุจุฏูู ุชุทูุน ูููุง ุงู mechanical
388
00:31:58,920 --> 00:32:06,690
advantage ูุนูู ุฅูุดุboost in force ุงูู turning tool
389
00:32:06,690 --> 00:32:14,030
ุงููู ุณู
ููุง liver ุงู tool ุงู simple machine ุงููู
390
00:32:14,030 --> 00:32:20,170
ุณู
ููุง ุงู tool ุงู force of leveragemoment ุงููู ุนูุฏู
391
00:32:20,170 --> 00:32:23,950
ุงู force ูููุง ุงููู ูู ุงู effort ุงููู ู
ูุฌูุฏุฉ ู ุงู
392
00:32:23,950 --> 00:32:28,730
terms ุงููู ูู ุงู ุงูุด ุงู pivot ุงููู ู
ูุฌูุฏุงุช ุนูุฏู
393
00:32:28,730 --> 00:32:33,810
ูุฏูู ุงูููู
ุงุช ุงููู ู
ุฑู ุนูููุง ูู ุงู C ุงูุขู ู
ุฑ ุนูููุง
394
00:32:33,810 --> 00:32:41,800
ุนุฏุฉ ุดุบูุงุช ุจุณ ุฎููู ููุฎุต ูุฐุง ุนูู ุงูุณุฑูุนุฃู
ุง ูู
395
00:32:41,800 --> 00:32:44,520
ุงูููู
ุงุช ุงููู ุจุชู
ุฑ ุนูููู
ุนุดุงู ุชุจููุง ุฏุงูุฑูููุง
396
00:32:44,520 --> 00:32:48,960
ุงุชููู
ูุง ุงูุชูุง ุฑูุญูู ุงุชููู
ูุง ุนูู ุงู force ููููุง ูู
397
00:32:48,960 --> 00:32:52,620
ุนุจุงุฑุฉ ุนู ุงู effort ุงุชููู
ูุง ุนูู ุงู velocity ููููุง
398
00:32:52,620 --> 00:32:56,700
ุงู rate of velocity ุณู
ูุงู ุงูุด acceleration ุงู
399
00:32:56,700 --> 00:33:01,240
deceleration ุงูุงู
400
00:33:01,240 --> 00:33:06,040
ุงู motion ุนุงุฏุฉ ูู ุนูุฏูุง linear motion ููู ุนูุฏูุง
401
00:33:06,040 --> 00:33:13,050
nonlinear ุงู circular motionุงูุงู acceleration due
402
00:33:13,050 --> 00:33:18,690
to gravity ุณู
ููุง ุงูุดุ G force ููููุง ูู ุจุชุณูู 10
403
00:33:18,690 --> 00:33:23,870
ู
ุชุฑ per second square ุจุชุณูู 1 G force ุงูุงู ุงู
404
00:33:23,870 --> 00:33:28,770
inertia ูููุง ูู resistance to acceleration or
405
00:33:28,770 --> 00:33:35,020
deceleration due to the mass of the objectุงู
406
00:33:35,020 --> 00:33:39,000
simple machine ุงุชููู
ูุง ูู ุงู simple machine ุงูุด ุงู
407
00:33:39,000 --> 00:33:42,620
tool ุงููู ุนูุฏู ุงู tool ูู ุนุจุงุฑุฉ ุนู simple machine
408
00:33:42,620 --> 00:33:47,880
ุงุชููู
ูุง ููู ุจุฑุถู ุนูู ุงู mechanical advantage ุงู
409
00:33:47,880 --> 00:33:56,820
efforts ู ุงู lever ู ุงู moment ูููุณุ ููู ุจููุฌุฑ
410
00:33:57,420 --> 00:34:01,360
ุบุทููุง ูู ุงููู ุจุฏูุง ูุงู ู
ุฑุฉ ุฌุงู ุจูุชููู
ุนูู chapter
411
00:34:01,360 --> 00:34:07,020
ุจุณ ูุจู ู
ุง ุฃูุณู ุญุถุฑู ุญุงููู
ุนุณุงุณ ุงูู
ุฌู
ูุนุงุช ูู ูู
412
00:34:07,020 --> 00:34:09,600
quiz ุจุฏู ุฃุฌูุจููุง ููู ุนุดุงู ูุฏูุฑูุง
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