Question:- why work done is zero. when person carrying suitcase vertically in hand walks in horizontal direction?
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Work done in horizontal direction = 0 as the potential energy is not changed and the change in kinetic energies : initial and final - is zero. There is a force F1 lifting the body upwards. There is Weight W = m g pulling the body downwards. The net force F2 on the body is upwards with acceleration a.
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hey mate here is the answer
Explanation:
Work done in horizontal direction = 0 as the potential energy is not changed and the change in kinetic energies : initial and final - is zero. There is a force F1 lifting the body upwards. There is Weight W = m g pulling the body downwards. The net force F2 on the body is upwards with acceleration a.
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