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A man lifts a mass of 20 kg to a height of 2.5 m. Assuming that the force of gravity on 1 kg mass is 10 N, Find the work done by the man.(take g = 10 ms−2) |
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Answer» A man lifts a mass of 20 kg to a height of 2.5 m. Assuming that the force of gravity on 1 kg mass is 10 N, Find the work done by the man.(take g = 10 ms−2) |
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