The motion of a body is simple harmonic if the?

A. Acceleration is always directed towards a fixed point
B. path of motion is a straight line
C. Acceleration is directed towards a fixed point and proportional to its distance from the point
D. Acceleration is proportional to the square of the distance from a fixed point
E. Acceleration is constant and directed towards a fixed point

Correct Answer:

Option C – Acceleration is directed towards a fixed point and proportional to its distance from the point