gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. It is by far the weakest known force in nature and thus plays no role in determining the internal properties of everyday matter. On the other hand, through its long reach and universal action, it controls the trajectories of bodies in the solar system and elsewhere in the universe and the structures and evolution of stars, galaxies, and the whole cosmos. On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth’s mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects. At Earth’s surface the acceleration of gravity is about 9.8 metres (32 feet) per second per second. Thus, for every second an object is in free fall, its speed increases by about 9.8 metres per second. At the surface of the Moon the acceleration of a freely falling body is about 1.6 metres per second per second.
What will i learn?
- A student will be able to solve both numerical and technical question about gravitation motion
- Book
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GRAVITATION PART 1
00:29:37
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GRAVITATION PART 2
00:15:10
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GRAVITATION PART 3
00:15:10
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GRAVITATION PART 4
00:22:52
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GRAVITATION PART 5
00:13:50
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GRAVITATION PART 6
00:20:00
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GRAVITATION PART 7
00:06:31
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GRAVITATION PART 8
00:08:12
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GRAVITATION PART 9
00:07:50
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GRAVITATION PART 10
00:04:49
Eng Anold Mwinuka
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