JEE Physics · Easy

Laws of Motion and Friction: Newton's Second Law MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Newton's Second LawEasyQuestion 30202

Question

A 5 kg object accelerates at 4 m/s². The net force on it is:
  1. A
    1.25 N
  2. B
    9 N
  3. C
    20 N
    Correct
  4. D
    40 N

Correct answer

20 N

Explanation

F = ma = 5 × 4 = 20 N.