A man is holding a suitcase in the state of rest. What is the work done by him?

?work done = F * S = force * displacement?

and if a person is holding ?a bag then disp. = 0 and hece work done = 0

work is done?in lifting the bag from ground to holding position but it is zero on keep on holding it

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as he is doing against gravity so the work done is zero
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