angular frequency

Also known as ω, radian frequency, orbital frequency

rate of change of the phase angle

Key facts

Other names: angular speed, angular rate
Common symbols: ω
Si unit: radian per second (rad/s)
Other units: degrees per second (°/s)
In si base units: s
Derivations from other quantities: ω = 2 π rad⋅ ν , ω = d θ /d t
Dimension: T − 1 {\displaystyle {\mathsf {T}}^{-1}}

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Wikidata facts

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quantity symbol (string): ω

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Article

A sphere rotating around an axis. Points farther from the axis move faster, satisfying ω = v / r.

In physics, angular frequency (symbol ω), also called angular speed and angular rate, is a scalar measure of the angle rate (the angle per unit time) or the temporal rate of change of the phase argument of a sinusoidal waveform or sine function (for example, in oscillations and waves). Angular frequency (or angular speed) is the magnitude of the pseudovector quantity angular velocity.