Time rate of change in angular velocity is defined as angular acceleration. Radians per second per second is a common unit of measurement. Hence,
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Also known as rotational acceleration, angular acceleration occurs when a body rotates. An angular velocity change per unit of time can be expressed as a quantitative vector.
A pseudo scalar is an angle acceleration. An increase in angular speed counter clockwise is regarded as positive angular acceleration; an increase in speed clockwise is regarded as negative angular acceleration. A real-life example of angular acceleration is the study of objects that rotate, such as the wheel, fan, and earth.
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