Question
Thu March 07, 2013 By: Deepshikha Deepsi

does gravitational potential depends on a refernce point? does change in gravitational potential enrgy depend on reference point? what is this reference point?

Expert Reply
Thu March 07, 2013
The gravitational potential energy is defined as the negative of the work it takes to move an object from some reference point to a height h above the surface of the Earth. Near the surface of the earth the force of gravity is nearly constant.
reference point is taken as the ground on earth.
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