Definition:Simple Harmonic Motion/Period

Definition

Consider a physical system $S$ in a state of simple harmonic motion:

$x = A \map \sin {\omega t + \phi}$

The period $T$ of the motion of $S$ is the time required for one complete cycle:

$T = \dfrac {2 \pi} \omega$

Also see

• Sine and Cosine are Periodic on Reals

Sources

• 1972: George F. Simmons: Differential Equations ... (previous) ... (next): $\S 3.20$: Vibrations in Mechanical Systems