define angular acceleration
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The angular acceleration is the time rate of change of the angular velocity and is usually designated by α and expressed in radians per second per second. For the case in which the angular velocity is uniform (nonvarying), θ = ωt and α = 0.
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Angular Acceleration Definition, Units, And Formula - Byju's It is the rate of change of angular velocity with a time of an object in motion. Acceleration is the change in velocity of a moving object with respect to time. ... The angular acceleration is also known as rotational acceleration. It is a quantitative expression of the change in angular velocity per unit time.
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