Stuff keeps going until something stops it. That’s the basic idea of Newton’s First Law, right? A ball hitting a wall or something. Yet, we also know that if we push a skateboard down the sidewalk, it’s gonna stop eventually even if it never hits anything. So, why? Friction. https://devonbowker.com/2021/11/20/what-is-friction/ (For Visuals and the Transcript) Support the Show