A block of mass $m$ attached to an ideal spring undergoes simple harmonic motion. The acceleration of the block has its maximum magnitude at the point where :

the speed is the maximum

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the potential energy is the minimum

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the speed is the minimum

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the restoring force is the minimum

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the kinetic energy is the maximum

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Solution

The correct option is B the speed is the minimum
The magnitude of acceleration of the simple harmonic motion is $a = F / m = k x / m$
So, the acceleration is maximum when the displacement $x$ from equilibrium will be maximum. Thus, speed will be minimum and also the potential energy will also be maximum and kinetic energy will be minimum at the end points of the oscillation.

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A block of mass m attached to an ideal spring undergoes simple harmonic motion. The acceleration of the block has its maximum magnitude at the point where :

A block of mass $m$ attached to an ideal spring undergoes simple harmonic motion. The acceleration of the block has its maximum magnitude at the point where :