Physics Study Guide/Print version - Wikibooks, open books for an open world

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Angular momentum

\vec{L} = \vec{r}\times\vec{p} = m\vec{r}\times\vec{v}

Angular momentum of an object revolving around an external axis O is equal to the cross-product of the position vector with respect to O and its linear momentum.


\vec{L} = I\vec{\omega}

Angular momentum of a rotating object is equal to the moment of inertia times angular velocity.