Trusses 1. Determine the force in each member of the truss and indicate if the member is in tension or compression 20 400 N 0.6 m 0.8 m T17 0.8 m 77 Trusses 3. For the sign truss shown below: a. Use the method of joints to determine the force in members AF, BE, BF, and CE and indicate if the member is in tension or compression. b. Use the method of sections to determine the force in members FG, AF, and AB. D 7 KN 2 m C E m 5 KN 2 m B F F 5 KN 2 m G 77777 -4 m A77 Trusses 5. For the bridge truss shown, determine the force in members DE, EF, BE, EG, and CE and indicate if the members are in tension or compression. B 3 m . H -3 m -3 m -3 m -3 m 10 KN 10 KN 10 KN