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JAMB Physics 2002 Question 1

Question 1

Newton's Laws and Momentum

If the total force acting on a particle is zero, the linear momentum will

  1. A.increase then decrease
  2. B.be constant
  3. C.increase
  4. D.decrease.
Show the answer and explanation

Answer: B (be constant)

Explanation

Zero resultant force means no change in momentum (Newton's second law), so the momentum stays constant.