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If the displacement and the restoring fo...

If the displacement and the restoring force acting on a particle executing simple harmonic motion are x and F respectively, then `F=-kx`. Here the negative sign on the right hand side indicates that

A

the restoring Force is directed towards the equilibrium position

B

the restoring force is directly proportional to the displacement

C

the force constant is always negative

D

the restoring force is always negative.

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