Common · Knowledge
Angular displacement
Displacement measured angle-wise when a body is showing circular or rotational motion
The angular displacement (symbol θ, ϑ, or φ) – also called angle of rotation, rotational displacement, or rotary displacement – of a physical body is the angle (with the unit radian, degree, turn, etc.) through which the body has rotated (revolved or spun) around a centre of rotation or axis of rotation. Angular displacement may be signed, indicating the direction of rotation (e.g., clockwise versus counterclockwise); it may also be greater (in absolute value) than a full turn if the rotation was.
From Wikipedia
The angular displacement (symbol θ, ϑ, or φ) – also called angle of rotation, rotational displacement, or rotary displacement – of a physical body is the angle (with the unit radian, degree, turn, etc.) through which the body has rotated (revolved or spun) around a centre of rotation or axis of rotation. Angular displacement may be signed, indicating the direction of rotation (e.g., clockwise versus counterclockwise); it may also be greater (in absolute value) than a full turn if the rotation was.
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