Q

An object is moving eastward. Which force will definitely do negative work on it?

RRB Group D 17 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: D A force acting westward
The correct choice is A force acting westward. It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.
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