Physics
The force needed to stop a moving body in a definite time depends on:
- mass of the body
- velocity of the body
- both (a) and (b)
- none of these
Laws of Motion
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Answer
both (a) and (b)
Reason — The force needed to stop a moving body in a definite time depends on the product of mass and velocity, which is called linear momentum of the moving body. Thus, p = mv.
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