Question

define gravitational potential energy.obtain the formula for the gravitational energy of body at distance r from the centre of earth​

Answer 1

Gravitational potential energy may be defined as the energy possessed by an object by the virtue of its position above the ground.

Derivation:-

Consider an object of mass 'm' at a height 'r' from the Earth. So, the gravitational force acting on it will be equal to 'g'.

Therefore

Gravitational potential energy= mgr

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