SIMPLE HARMONICMOTION
AND
CIRCULAR MOTION

Compare the motion of these two balls.
Uniform Circular Motion
(radius A, angular velocity w)

Simple Harmonic Motion
(amplitude A, angular frequency w)

Simple harmonic motion can be visualized as the projection of uniform circular motion onto one axis.

The phase angle wt in SHM corresponds to the real angle wt through which the ball has moved in circular motion.

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