Question

a man of 60 kg carries a stone of 20 kg to a height of 30 m .calculate the work done by the man

Answer 1

hey dear
here is your answer ☞

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⭐ W = FS cos theta
here cos 0° = 1
W= (80) (9.8) (30)
W= 23520 J ⭐

hope it helps ^_^

Answer 2

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mass = 70 +10 = 80 kg

height = 100 m

work done = mgh = 80 * 10 * 100 = 80,000 J

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I hope it helps......