Where does the force of friction come from?
If this article was a movie, it would probably be titled Friction: Origin Story and it would portray how a good guy developed into a notorious villain.
In many ways, the force of friction feels like a villain of some kind in the study of mechanics. When every other force seems to be doing some credible work, the force of friction is just there to oppose them.
But as we shall soon find out, when you take a deeper look, you will realize that friction comes from a rough background – no pun intended!
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