CBSE Class 9 Science Question 13 of 25

Force and Laws of Motion — Question 9

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Question

Question 9

What is the momentum of an object of mass m, moving with a velocity v?

  1. (mv)2
  2. mv2
  3. 12\dfrac{1}{2}mv2
  4. mv
Answer

mv

Reason — The momentum of a body is defined as the product of its mass and velocity. For a body of mass m, moving with velocity v, linear momentum p is expressed as : p = mv