Wednesday 30 October 2019

rotational kinematics - Why is angular velocity a vector quantity?



Angular velocity is $$\omega= \frac{dƟ}{dt},$$ here $\theta$ and $t$ are scalar quantities. But $\omega$ is a vector quantity. Why is it such?


So far I know the direction of $\omega$ is along the axis of rotation. If so, why?




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