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29-03-2021
Physics

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An object is lifted against gravity from the floor to a tabletop. This is an example of

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29-03-2021

Answer:

Work done against gravity in lifting an object becomes potential energy of the object-Earth system. The change in gravitational potential energy, ΔPEg, is ΔPEg = mgh, with h being the increase in height and g the acceleration due to gravity.

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