Q

A man raises a 20 kg object from the ground onto his head 2 m above the ground. Find the work done. (g = 10 m/s²)

RRB Group D 24/09/2018 / Shift-II 2018
✓ Answer: C 400 J
W = mgh = 20 × 10 × 2 = 400 J.
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