Physics

The force needed to stop a moving body in a definite time depends on:

  1. mass of the body
  2. velocity of the body
  3. both (a) and (b)
  4. 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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