Friday, July 19, 2019

newtonian mechanics - Angular velocity as $r to 0$



I know that angular velocity is defined as the rate of change of angular displacement and is related to tangential velocity via $$\omega = \frac{r\times V}{|r^2|}$$


My question is what will be the value of angular velocity at the centre of rotation i.e. $$\lim_{r \to 0} \omega = ?$$




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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...