# What is $mass \cdot jerk$, or yank?

So if Momentum is $$m \cdot v$$, Force is $$m \cdot a$$, and Jerk is $$\frac{\Delta a}{\Delta t}$$ what is $$m \cdot j$$? I've read that the name for this is yank, but I'm curious as to what it is conceptually. Can anyone explain this for me?

• $F=\frac{dp}{dt}=ma+v\frac{dm}{dt}$, $\frac{dF}{dt}=mj+2a\frac{dm}{dt}+v\frac{d^2m}{dt^2}$ – Ariana Mar 6 at 2:45