Physics 211 Rolling Motion of a Rigid Body Vector Product and Torque Angular Momentum Rotation of...

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As then one can see that the center of mass moves at v cm by noting that  2  f  angular frequency= angular speed  where f  frequency of rotation, which has units rps = revolutions per second or cps = cycles per second Which shows that the distance traveled by the center of mass in pure rolling motion in one second is 2  r  f  2  r   2   r 