# Geometric bonds

Geometric bonds tie the linear motion (position/length $s$, speed $v$ and acceleration $a$) of a point at the periphery with the rotational motion (angular position/length $\theta$, angular speed $\omega$ and angular acceleration $\alpha$) of the object, e.g. in the case of a rolling wheel.

$$s=r\theta\\ v=r\omega\\ a=r\alpha$$