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Gravitational potential energy is the energy an object has due to its position above Earth, energy due to its height. We know this energy exists because it takes effort to lift an object up to a height and also because when we release an object, it falls, gaining kinetic energy.
Gravitational Potential, ÏÏÏÏ Gravitational potential at a point is the work done per unit mass by an external agent in bringing a mass from infinity to. Compiled by: Eugene Ho V1.0, 3 September 2008 3 that point without a change in kinetic energy.