At point r from origin q: <math>\vec{L_q} = \vec{r_q} \times \vec{p} = (\vec{r_q} \times \vec{v}) m</math> When there is rotation around center of mass, angular momentum will be constant no matter ...

**Archimedes Principle** - The buoyant force of an immersed body has the same magnitude as the weight of the fluid which is displaced by the body ...