1. The problem statement, all variables and given/known data Original figure is here: http://tinypic.com/r/svrm39/6. The task is to calculate forces in N1, N2 and N5 with the correct sign.(+ or -) 3. The attempt at a solution Figures and calculations attached. I fear it might be messy - especially when it comes to use of angles, but I'm hoping at least some of it is correct.