A body which is attached to a spring undergoes simple harmonic motion. The magnitude of the body's acceleration is: w) constant x) proportional to its displacement from its equilibrium position y) zero z) always increasing.

A body which is attached to a spring undergoes simple harmonic motion. The magnitude of the body's acceleration is: w) constant x) proportional to its displacement from its equilibrium position y) zero z) always increasing.
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ANSWER: X -- PROPORTIONAL TO ITS DISPLACEMENT FROM ITS EQUILIBRIUM POSITION 
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In simple harmonic motion, the acceleration is: w) constant x) proportional to the distance from the central position y) greatest when the velocity is greatest z) none of the above

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If the resultant force acting on a body of constant mass is zero, the body's acceleration is: w) increasing x) decreasing y) always zero z) negative.

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