Question

Define gravitational potential energy. Derive expression for gravitational potential in the gravitational field of earth at distance from the centre of the earth.

A


B


C


D


Medium
Updated on : 2022-09-05
Solution
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Correct option is B)


The work obtained in bringing a body from infinity to a point in gravitational field is called gravitational potential energy.

Force of attraction between the earth and the object when an object is at the distance from the center of the earth.


Consider the is the small amount of work done in bringing the body without acceleration through the very small distance


And total work done to bring the body from infinity to point which is at distance from the center of the earth.


Hence, the gravitational potential energy  

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