Sunday, November 13, 2011

Cars and forces that move them...?

My physics teacher seems certain that roads move cars. His logic behind it is that the problem in its simplest context (in which he seems always to think, with due respect to him) is that when you drive a car, there are only two objects: a car and a road. Because force can only be applied by an object in contact with whatever the force is applied to and the only thing in contact with the car is the road, it must be the road that applies the force. It sounds ridiculous to me, but I wonder if anyone can confirm my suspicions from a purely scientifically physical/logical standpoint (does that even make sense? Bah, you know what I mean).

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