NDA 2021 Physics question

Which one of the following statements is true for a simple harmonic oscillator ?

(A)Force acting is directly proportional to the displacement from the mean position and is in same direction.
(B)Force acting is directly proportional to the displacement from the mean position and is in opposite direction.Correct
(C)Acceleration of the oscillator is constant.
(D)The velocity of the oscillator is not periodic.

Answer: (B)

Solution

In simple harmonic motion the restoring force is : proportional to the displacement from the mean

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Question ID VK-031784