Rolling Without Slipping

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For rolling without slipping, correct relation is:

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Rolling without slipping (perfect rolling) occurs when the point of contact between the rolling body and the surface is instantaneously at rest relative to the surface.
- The velocity of the center of mass $v_{cm}$ must be equal to the tangential velocity of a point on the rim relative to the center.
$v_{cm} = v_{tangential} = r \omega$
- Additionally, for acceleration: $a_{cm} = r \alpha$.

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Rolling Without Slipping

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