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The amplitude of oscillation of a simple pendulum bob diminishes slowly because

Physics
NECO 2005

The amplitude of oscillation of a simple pendulum bob diminishes slowly because

  • A. energy is applied by some external agencies
  • B. frictional forces dissipate the energy of motion
  • C. the frequency of oscillation increases with the mass of the bob
  • D. the frequency of oscillation varies with time
  • E. the period of oscillation varies with time.
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Correct Answer: Option D
Explanation

The amplitude and the frequency of an oscillating pendulum decrease gradually with time.

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