Q

A porter lifts a 10 kg object from the ground and places it 2.5 metres above the ground on his head. Calculate the work done on the object.

RRB ALP (Stage-II) 06/05/2025 / Shift-II 2025
✓ Answer: A 250 J
Using g = 10 m/s², W = mgh = 10 × 10 × 2.5 = 250 J.
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