6 a truss supports the loading as shown. knowing that f1 = f2 = 100 n , f3 = 90 n , determ
1.6 A truss supports the loading as shown. Knowing that F1 = F2 = 100 N , F3 = 90 N , determine the equivalent force acting on the truss and the point of intersection of its line of action with a line through points A and H.