Q

A girl of weight 200 N climbs a tree 2 metres high. Find the work done. (g = 10 m/s²)

RRB Group D; RRB Group D 30/10/2018 / Shift-II; 12/12/2018 / Shift-III 2018
✓ Answer: B 400 J
W = weight × height = 200 × 2 = 400 J.
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