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When you lift a box from the floor and put it on an almirah the potential energy of the box increases,

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When you lift a box from the floor and put it on an almirah the potential energy of the box increases, but there is no change in its kinetic energy. Is it a violation of conservation of energy?

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System's energy is conserved when no external force is applied. Here external force has done work on the box to increase its potential energy. It is not a violation of conservation of energy.

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