Pendulum falls doesn't swing! Why?

Complete Newbie using 2.75a.

Please help me animate a simple pendulum. It’s a Rigid Body “hung” on a cylinder which is STATIC.
It swings once and falls off. Blend file attached. Thanks for any help.

Attachments

Pendulum Try 1.blend (463 KB)

I am assuming you want this to work in the game engine. Some things you need to do is: apply the scale (Ctrl-A) of all your objects; select collision bounds for the objects; change the collision bounds to Triangle mesh for the pendulum and Cylinder for the cylinder; set the origin of the pendulum to Centre of mass. It should work then I think.

Pendulum Try 2.blend (462 KB)

Thank you Alan. I did the Scale, Collision Bounds, and the Origin to Center of Mass as you recommended. Now it swings. Thanks again.