Problem 3.1 For the system shown, calculate the average normal stresses on the cross-sections of members BI and GH. The hanging bucket weights 250 lb, and members BI and GH have solid circular cross-sections with diameters of 0.25in and 0.50in, respectively. 1 ft 1 ft 2 ft- B D H C 2 ft 30° G ft E 3 ft