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A student says that he had applied a for...

A student says that he had applied a force `F=-ksqrtx` on a particle and the particle moved in simple harmonic motion. He refuses to tell whether k is a constant or not. Assume that he has worked only with positive x and no other force acted on the particle

A

As x increases k increaes

B

As x inceases k decreases

C

As x increases k remains constant

D

The motion cannot be simple harmonic

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • A particle, moving along the x-axis, executes simple harmonic motion when the force acting on it is given by (A and k are positive constant.)………………

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    B
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    D
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