Question

A porter keeps
standing at a place while holding a suitcase of mass 20 kg
over his head for five minutes. Has he done some work? Give reason for
your answer​

Answer 1

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Answer 2

No, he has not done any work.work is said to be done only when a force is applied and there is displacement of the object. Here,there is no displacement of the object,i.e.the suitcase. Therefore,we can conclude that no work has been done by him

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