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प्रश्न
Obtain an expression for the potential energy of a body of mass m at a height h above the ground.
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उत्तर
Force due to gravity on the body F = mg
Work done in lifting the body against the force of gravity to a height h above the ground
W = F × d = mg × h = mgh
Thus, the potential energy of the body = mgh.
संबंधित प्रश्न
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