5-30. Determine the force in members EF, CF, and BC, and state if the members are in tension or compression. 4 kN 8 kN] E F A OOO 000 OOO 000 OOO 1.5 m OOO 000 ooo 000 Probs. 5-30/31 D C B 2 m 2 m

6-38. Determine the force in members BC, BE, and EF of the truss and state if the members are in tension or compression. Set P₁ = 6 kN, P₂ = 9 kN, and P3= 12 kN. Problems 6-37/38 A P3 3 m B F P₁ 3 m E C P2 3 m 3 m D

6-3. Determine the force in each member of the truss. State if the members are in tension or compression. 13 5 130 lb 12 3 ft B 4 ft -3 ft- New Prob. 6-3 D 4 ft E -3 ft D F