113: Find the stresses in members BC, BD, and CF for the truss shown in Fig. Indicate the tension or compression. The cross sectional area of each member is 1600 mm.

shown by the method of joints? Determine the force in each member of the truss 12 m 12 m 12 m H E G C A TT FIG. P4.12 - 5 m H15 KN D B 30 kN 30 kN

INSTRUCTIONS. Show your detailed solutions (first draw the graphical solutions then followed by the analytical solutions). Determine the force in members HG, HC, and BC of the truss shown in Fig. 5-1 and state whether they are in tension or compression. 1. 15 th 30 n E 40 ft- 40 ft 40 ft 40 ft- 15 k 10 k Figure 5-1. 2. Determine the force in members HG, BG, and BC of the truss shown in Fig. 5-2. State if the members are in tension or compression. SAN SAN SKN ZAN 2AN 2m 2m 2m Figure 5-2.

Problem 1. Find the stresses in members BC, BD, and CF for the truss shown in Fig. P-1. Indicate the tension or compression. The cross-sectional area of each member is 1600 mm². 10 kN/m A R₁ 4 m 80KN 40 kN 3m Problem 2. Determine the reaction R₁ and R₂ for the beam shown in Fig. P-2 60KN Figure P-1 Figure P-2 3 m 6 m 4 m B R₂ 4 m 20 KN 2 m