Question 9 3 pts A beam is simply supported and carries the load shown in Figure P3-31. Provide a detailed free body diagram (FBD), bending moment and shear (M &V) diagrams for the loading in PDF or DOC format. 1200 lb 1200 lb 3 ft 4 ft 3 ft R FIGURE P3-31 (Problems 31, 32, and 33) Upload Choose a File R Question 10 1 pts A beam is simply supported and carries the load shown in Figure P3-31. Specify suitable dimensions for the beam if it is steel and the stress is limited to 18000 psi, for the following shapes (provide closest nominal inch sizes or see Appendix 15) (a) Square R 1200 lb 1200 lb 3 ft 4 ft 3 ft R2 FIGURE P3-31 (Problems 31, 32, and 33) Question 11 1 pts A beam is simply supported and carries the load shown in Figure P3-31. Specify suitable dimensions for the beam if it is steel and the stress is limited to 18000 psi, for the following shapes (provide closest nominal sizes or see Appendix 15) (a) Rectangle with height three times the width. What is the height in inches, provide the actual size calculated NOT nominal size? (accuracy +/- .2 inches) Question 12 What is the calculated width for problem 11 above? (accuracy +/- .1 inches) Question 13 1 pts 1 pts A beam is simply supported and carries the load shown in Figure P3-31. Specify suitable dimensions for the beam if it is steel and the stress is limited to 18000 psi, for the following shapes: (d) Solid circular section, provide the actual calculated size. (accuracy +/- .1 inches) Question 13 1 pts A beam is simply supported and carries the load shown in Figure P3-31. Specify suitable dimensions for the beam if it is steel and the stress is limited to 18000 psi, for the following shapes: (d) Solid circular section, provide the actual calculated size. (accuracy +/- .1 inches) 1200 lb 1200 lb 3 ft 4 ft 3 ft R FIGURE P3-31 R (Problems 31, 32, and 33)