A man standing with a load on his head or a man walking with load does no work scientifically.Give reason.
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The work done is zero because the person is holding the load it means force is applied by there is no displacement
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Because a man standing with a load on his head exerts force on the load in upward direction but that load has no displacement in the direction of force (in upward direction). Hence as per W=Fs=F×0=0, work done on the load is zero. So it can be said that aman standing with the load on his head does no work.
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