SAT Subject Physics Practice Question 230: Answer and Explanation

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Question: 230


A block of mass m undergoing simple harmonic motion. Frictional forces are negligible and can be ignored.

Once the motion is underway, which quantity does NOT remain constant?

A. Amplitude
B. Frequency
C. Period
D. Position of block
E. Total mechanical energy of the block

Correct Answer: D


As the block moves up and down, its position changes.

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