Originally Posted By: kallog
You don't show that the force must be asymetrical. It isn't. But the energy transmitted by the force is assymetrical.

The asymmetrical force is presenting on physics problem solution.
Anyway.

The experiment for this physics problem:
http://knol.google.com/k/alex-belov/the-wheels/1xmqm1l0s4ys/18#The_Experiment






The video
http://www.youtube.com/watch?v=FjYsQnaocws&feature=player_embedded