A rigid body rotates about a fixed axis with a constant angular velocity. Which one of the following statements is true concerning the tangential acceleration of any point on the body? O The tangential acceleration is zero m/s². The tangential acceleration does not depend on the angular velocity. O The tangential acceleration depends on the change in the centripetal acceleration. O The tangential acceleration is constant, but not equal to zero m/s², in both magnitude and direction. O The tangential acceleration is equal to the centripetal acceleration.

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A rigid body rotates about a fixed axis with a constant angular velocity. Which one of the following statements is true concerning the
tangential acceleration of any point on the body?
O The tangential acceleration is zero m/s².
The tangential acceleration does not depend on the angular velocity.
O The tangential acceleration depends on the change in the centripetal acceleration.
O The tangential acceleration is constant, but not equal to zero m/s², in both magnitude and direction.
O The tangential acceleration is equal to the centripetal acceleration.
Transcribed Image Text:A rigid body rotates about a fixed axis with a constant angular velocity. Which one of the following statements is true concerning the tangential acceleration of any point on the body? O The tangential acceleration is zero m/s². The tangential acceleration does not depend on the angular velocity. O The tangential acceleration depends on the change in the centripetal acceleration. O The tangential acceleration is constant, but not equal to zero m/s², in both magnitude and direction. O The tangential acceleration is equal to the centripetal acceleration.
A thin rod rotates at a constant angular speed. In case A the axis of rotation is perpendicular to the rod at its center. In case B the axis is
perpendicular to the rod at one end. In which case, if either, are there points on the rod that have the same tangential speeds?
case A
case B
O both
Transcribed Image Text:A thin rod rotates at a constant angular speed. In case A the axis of rotation is perpendicular to the rod at its center. In case B the axis is perpendicular to the rod at one end. In which case, if either, are there points on the rod that have the same tangential speeds? case A case B O both
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