* If an object rolls without slipping, then the bottom of the rolling object (at the point of contact) must be momentarily at rest relative to a fixed observer.
* Rolling without slipping can be thought of as the motion of the center of mass (fixed observer) plus rotational motion about its center of mass (observer moving with the object).
* In the case for rolling without slipping, the distance, the velocity, and the acceleration of the center of mass is directly related to the angle of rotation, the angular velocity, and the angular acceleration about the center of mass.
Check this for better understanding :
http://www.physics.upenn.edu/courses/gladney/mathphys/java/sect4/subsubsection4_1_4_3.html
Moderation Team
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