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Joint definition explanation

Question asked by Chad Schmidt on Mar 20, 2011
Latest reply on Aug 5, 2011 by Victor Gonzalez

I need some clarity about what is happening in the analysis tab of a mate.   The friction definition is straight forward but the joint dimensions and how they're applied in motion is confusing.  What does it do with these dimensions to compute frictional forces?  Most of these seem to be based upon units of area yet I always thought friction was independent of area.  Can someone please define the equations for computing friction forces based upon each of the frictional geometry types?