Q

A man lifts a 1 kg mass through 2.5 metres. Find the work done, taking g = 10 m/s².

RRB NTPC Graduate Level (Stage-II); RRB ALP (Stage-I) 13/10/2025 / Shift-II; 27/11/2024 / Shift-I 2025; 2024
✓ Answer: B 25 J
W = mgh = 1 × 10 × 2.5 = 25 J.
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