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Question

The combined effect of mass and velocity is taken into account by a physical quantity called:
  1. Moment of momentum
  2. Moment of force
  3. Momentum
  4. None of these

A
Momentum
B
Moment of force
C
Moment of momentum
D
None of these
Solution
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The force required to stop a moving body depends on the velocity as well as its mass. This combined quantity of mass and velocity is defined as momentum.
Momentum=mass×velocity
P=m×v

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