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JAMB Physics 1999 Question 6

Question 6

Newton's Laws and Momentum

Two bodies have masses in the ratio 3 : 1. They experience forces which impart to them accelerations in the ratio 2 : 9 respectively. Find the ratio of the forces the masses experience.

  1. A.1:4
  2. B.2:1
  3. C.2:3
  4. D.2:5
Show the answer and explanation

Answer: C (2:3)

Explanation

F = ma, so F1/F2 = (3 × 2)/(1 × 9) = 6/9 = 2/3.