Q

If a car is gradually pushed to a speed of 1 m/s, what determines the change in its momentum according to the second law of motion?

RRB Group D 17 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: B Both the magnitude of the force and the time during which the force is applied determine the change in momentum.
The correct choice is Both the magnitude of the force and the time during which the force is applied determine the change in momentum.. It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.
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