Q

A force of 20 N acts opposite to the displacement of a body. If the body moves 2.0 metres, find the work done by the force.

RRB Technician Grade-III 26/12/2024 / Shift-III 2024
✓ Answer: B -40 J
W = Fs cos 180° = -20 × 2 = -40 J.
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