6. Explain motion under gravity or Free fall and also write the three equation of
motion of under gravity
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Motion under gravity refers to the movement of an object whose vertical motion is affected by the presence of gravity. The force that attracts objects downwards is GRAVITY. In fact, gravity works towards the centre of the Earth.
Under gravity, acceleration is 9.8 m/s² and is denoted by g. When an object is falling freely under gravity, then the above equations would be adjusted as follows:
- v = u + gt
- h = ut + 1/2 gt2
- V2= u2 + 2gh
In the above equation, + is replaced by – if the body is thrown upwards.
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