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Key Terms

angular momentum
rotational analog of linear momentum, found by taking the product of moment of inertia and angular velocity
law of conservation of angular momentum
angular momentum is conserved, that is, the initial angular momentum is equal to the final angular momentum when no external torque is applied to the system
precession
circular motion of the pole of the axis of a spinning object around another axis due to a torque
rolling motion
combination of rotational and translational motion with or without slipping
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