Calculate the work done against gravity by a fully and carrying a load of mass 10 kg on his head when he moves uniformly
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work done by coolie against gravity by carrying a load of mass of 10g on his when he moves uniformly is zero as theta is 90 i.e. cos 90°=0... therefore,
W= f(cos 90°)d
W=0
W= f(cos 90°)d
W=0
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