Question

a boy weight 60 kg carries a weight 10 kg on the top of a tower 100 metre high find the work done by the boy​

Answer 1

Answer:

mass=60kg+10kg=70kg

height=100meters

work done=70×10×100=70,000J

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Answer 2

mass = 60+10 = 70kg

distance = 100m

work done = 70× 10 × 100 = 70000j