Q

A constant force of 20 N acts at 30° to a displacement of 13 metres. Find the work done.

RRB Technician Grade-I 19/12/2024 / Shift-III 2024
✓ Answer: D 225 J
W = Fs cos 30° = 20 × 13 × (√3/2) ≈ 225 J.
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