A particle moving along the x-axis executes simple harmonic motion, then the force acting on it is given byWhere A and K are positive constants

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– A Kx

A cos (Kx)

A exp (– Kx)

A Kx

answer is A.

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Detailed Solution

For S.H.M. F=−kx.∴ Force = Mass × Acceleration ∝-x ⇒F = – Akx; where A and k are positive constants.

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