Question

How does angular acceleration relate to linear acceleration?

Answer 1

If an object is rotating at angular velocity and angular acceleration , then a point at distance from the axis of rotation will have speed , tangential acceleration , and centripetal acceleration . The linear acceleration of that point is the vector sum of these two perpendicular components of the acceleration.

Answer 2

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Centripetal acceleration is an acceleration that corresponding to changing the direction of velocity rather than changing the speed (the magnitude of velocity). ... There is no angular acceleration and no tangential acceleration. But there is a centripetal acceleration. The point is following a circular path.....