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===About Angular Displacement===
[[Measure]]d in [[radiansradian]] s (rad).
Represents the change in position of an [[object]] along a circular path.
Positive for anti-clockwise rotation and negative for clockwise rotation.
The hands of a clock show [[Angular Displacement|angular displacement]] as they move.
[[Earth]]’s rotation involves [[Angular Displacement|angular displacement]] of 2π [[radian]]d s in 24 hours.