Recent content by killerdoxie

well, since friction is a reactionary force, it doesn't cause the displacement, the other force does, so if r=0, then how can it cause torque?

well, the question was on a test, and we were having a debate in class today about it. I think no, that friction cannot cause torque, because friction is a reaction, something has to be applied for it to happen. A book sitting by itself does not have friction, but as soon as I push against...

can friction cause torque?