You know what it looks like… but what is it called?
TAKE THE QUIZ“simple-harmonic”
We have one entry that includes the term simple-harmonic.
simple harmonic motion
noun: a harmonic motion of constant amplitude in which the acceleration is proportional and oppositely directed to the displacement of the body from a position of equilibrium : the projection on any diameter of a point in uniform motion around a circle
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Merriam-Webster unabridged