1. Determine the force in each member of the truss in Fig. Q1, and state if the members are in tension or compression. Note: That equilibrium analysis of joint A can be used to determine the components of the support reaction at A using the results obtained 300 N 400 N DY 2 m 250 N above. 2 m [Fpc = 400N (C), FDA = 300N (C), FBA = 250N (T), FBC = 200N (T), FCA = 283N (C)] %3D %3D 200 N BА Fig. Q1 in oach member of the

1. A pin-connected structure is configured and loaded as shown in Fig. 1. Assuming the weight of the rigid bars are negligible and the force system is coplanar, determine the magnitude and sense of the force in each bar and the components of the reactions at supports A and C, using the method of joints. >140016 8 5016 A350 50 Füg. 1

Fig. Q3 7. Determine the force in each member of t truss in Fig. Q4 and state if the membere are in tension or compression. 3 kN 2 kN -3 m- -3 m- B C FBA 3kN (T), FRA = [FcD = 3.61kN (C), FCB %3D 4 m 3kN (T), FRD = 3kN (C), FDA %3D Draw FRE = 6.31KN (C)] FE %3D E Fig. Q4 521C

The simply supported truss structure below is subjected to concentrated loads at joints E, F, H, J, and L. You are to disregard the weight of the truss members in this analysis. A B 6m C 300 N K C 6m J 400 N 6m E 200 N H 100 N 500 N 6m G O 5m Questions: (a) Sketch a free-body diagram of the truss showing all forces and reactions acting on the truss. (b) Identify and list all zero-force members in the truss. (c) Determine the force in member CL. You may use either of the two standard methods to analyze trusses. (d) Determine the force in member CD. You may use either of the two standard methods to analyze trusses.