Method of Joints: Bridge Construction Help

[The_murphulator]

Hey guys... i need help with method of joints... could some one explain to me how to do this. In my projects in engineering class we are constructing bridges and i want to understand what's going on. Any help would be aprreaciated. Excuse my spelling errors pls.

 

[haynewp]

Method of joints refers to balancing forces at the internal joints of trusses in order to find all the internal member forces. If you have a statics book there should be examples to follow, it is pretty easy.