Initial thoughts, before watching the video is ... :False. (well 14 seconds in) because what if 2 people , on opposite sides of the Earth drop an apple. the planet can't move in both directions at once, and yet both apples fall to the Earth at the same rate.
now i'll watch the video and...
So I was trying to understand some Mu charts of Brake pads for cars.
I thought that Mu was basically a "calculated, or measured constant " which could be used to compare friction between 2 materials. like a solid iron Rotor, and a brake pad. I was thinking that a simple chart that shows...