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Question 30604
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Circular Motion: Centripetal Acceleration MCQ

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Centripetal AccelerationEasyQuestion 30604

Question

A particle moves in a circle of radius 2 m at speed 4 m/s. Its centripetal acceleration is:
  1. A
    8 m/s²
    Correct
  2. B
    4 m/s²
  3. C
    2 m/s²
  4. D
    16 m/s²

Correct answer

8 m/s²

Explanation

a_c = v²/r = 16/2 = 8 m/s².

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