(This is NOT a homework problem. It's an engineering problem I'm trying to crack.)
A wheel with a rubber tire (friction) can roll on a suspended rail. Attached to it is a pendulum that's rigidly mounted on the axle of the wheel with a mass that can hand down and swing. (The wheel's rotation...
Hi, my name is Andy.
I'm a B.Sc. (physics) from McGill in 1982. Ph.D. (mech. and aerospace eng.) from Rutgers in 1994. I'm a cycling aerodynamicist for pro and Olympic teams.