NEET Physics · Medium

Laws of Motion: Mixed Laws of Motion MCQ

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

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Mixed Laws of MotionMediumQuestion 5460

Question

A 50 g stone tied to a 1 m string whirled in horizontal circle at 2 m/s. Centripetal force is:
  1. A
    0.1 N
  2. B
    0.2 N
    Correct
  3. C
    0.4 N
  4. D
    1 N

Correct answer

0.2 N

Explanation

F = mv²/r = (0.05)(4)/1 = 0.2 N.