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Power, Force and Velocity

A particle is...

Question

A particle is performing simple harmonic motion. At time ‘t’, its displacement from the mean position is x and its speed is v. The corresponding resultant force on it is F and its acceleration is a. At the same time, it has kinetic energy K and potential energy U.

The graph of force (F) versus displacement (x) is

A

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B

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C

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D

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Solution

The correct option is B
$F = - m ω^{2} x$

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