A 55-kg man holds a weight of 20 kg on his head what is
A 55-kg man holds a weight of 20 kg on his head. what is the work done by him against gravity if he moves a distance of 20 m (1) on a horizontal road, (2) on an incline of 1 in 5 ? take g = 10 m/s.s
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a 55-kg man holds a weight of 20 kg on his head what is the work done by him against gravity if he moves a distance
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