My XNA Farseer platformer physics tutorial is up and online at MadGameDev.com
Below is a sneak preview, but follow the above link for the complete article.
Today I’m going to introduce you to a neat 2D physics engine for XNA called Farseer. With the help of this 2D physics engine we are going to create a small platform ‘game’ while introducing the important concepts of Farseer like bodies, geometry, joints and springs.
By the end of the tutorial, you’ll be able to build something like:
Update 11-09-2012: links fixed