Try the official documentation, it has examples for each command.
You can search on Users Contributions and find examples also.
And latest AUM magazines talk about Nvidia Physix that is now part of A8 laugh

What is your game type you working on laugh ?
And where do you need physics in it ?

Just do It !!

http://independentcreator.over-blog.com/pages/3D_Models-7792999.html