a person is from 20 min with heavy weight on his head. Does he do any work or not?Explain.
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Answered by
1
no work is done coz normal reaction and mg are cancelling each other effect.
Siddhantpatni:
thanks
Answered by
1
He is not doing any work according to another person next to him cause he,s just standing there,but according to him he is doing a work of keeping heavy weight on his head
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