A particle is executing simple harmonic motion. Which one of the following statements about the acceleration of the oscillating particle is true?
A
It is always in the opposite direction to velocity
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B
It is proportional to the frequency of oscillation
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C
It is minimum when the speed is maximum
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D
It decreases as the potential energy increases
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Solution
The correct option is B It is minimum when the speed is maximum The acceleration of a particle is maximum at extreme points where velocity is zero, and it is minimum at mean position where velocity is maximum.
acceleration is proportional to square of frequency.