codeplex.com — Ngd4Xna is a C# wrapper around the Newton Game Dynamics physics engine. The goal of this project is to create an object oriented wrapper around the Newton Game Dynamics physics engine and to integrates that wrapper with Microsoft's XNA gaming library. read more...
codeplex.com — noone88 has released a beta version of JibLibX. In comparision to the alpha version we have many new features and improvements. read more...
bulletphysics.com — Bullet 2.68 Physics SDK adds cloth, rope and deformable soft body simulation, including interaction with rigid bodies. Thanks to Wolfgang Engel's Oolong Engine 2 and decent floating point performance, Bullet 2.68 runs fluently on the iPhone device, using the official iPhone SDK. read more...
blog.xna3.com — SniperED007 has put together a WinForms XNA Physics Editor for a project that he was working on. The tool can be used to test your Physics ideas as it allows you to experiment quickly with Joints and Springs. read more...
gamedev.net — Matt Kincaid shows how to develop some simple physics for driving a 2D car. read more...