Well, thank you for your help.
I can understand that this isn't the easiest thing to learn, but hopefully I can fully understand it one day.
Thanks again for your help, and I'll turn here for help if I ever get stuck again.
Adios
For as little as I know in this problem, I do know what you are saying.
I understand that the forces must zero out, otherwise you would have a net force, in which the object, or point, would move. And we know, that shouldn't happen in a bridge.
I think I may understand your answer, as it seems...
I mainly am having trouble accurately calculating the force on members in a truss.
The reason being is sort of common, my teacher skimmed through the lecture on these calculations, and left the entire class in a fog. I've made my best attempts at researching on the Internet, but so far no real...