11-13. Determine the moments at the ends of each member of the frame. Assume the joint at B is fixed, C is pinned, and A is fixed. The moment of inertia of each member is listed in the figure. E = 29(103) ksi. 7ft 4 k- 7ft 11.1 The 11.1 load Appr exan == 800 in4 C B IBC 3 k/ft 10ft A IAB = 550 in4 Then 11-1