Question

explain with examples ,how work done is zero even when an object is displaced
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Answer 1

Work done is said to be zero when force applying to the body is zero or the Displacement done by body pic zero. if the value that means force acting on body is perpendicular then the force acting will be equals to zero. For e.g. =>The food seller carrying his loads on his head, standing at a place.

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Answer 2

I hope you get your answer