Game Creation with XNA/Mathematics Physics/Physics Engines

Physics Engines edit

Should introduce, and discuss some physics engines, compare and evaluate them, best with examples. Also show capabilities, maybe compare with non-XNA physics engines.

Other examples can be found here: http://forums.create.msdn.com/forums/t/7574.aspx

XNA physics engine list can be found here: http://www.xnawiki.com/index.php?title=Physics_Engine

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