1. Determine the force in members BC, BD and DE of the truss shown using the method of section. Indicate whether the member is in tension (T) or compression (C). The value of P is the last two digits of your ID number (if it is 00, use 10 kN). Tabulate your results using the example shown. 120 AN Member Force (kN) T/C BC BD DE

values for question F1=2, F2=11, x1=4.3, x2=4.0, x3=3.4

1. Use the METHOD OF SECTIONS to determine the forces in members AC, BC, and BD of the truss in Figure 1 and indicate whether each of these members is in tension or compression. As usual, show any free-body diagram(s) (including all essential components), and clearly annotate all calculations. Note: You may use the support reactions calculated in Tutorial S2, Problem 3 without repeating the necessary calculations. A E 220° 1 m 25 KN B D 1 m 1 m Figure 1. [ans.: FAC = 51.29 kN (tension); FBC = -22.73 kN (comp); FBD = -16.07 kN (comp)]

Determine the force in members CE, FE, and CD and state if the members are in tension or compression. Suppose that P 2900 lb and P 1400 lb. (Eigure 1) Hint: The force acting at the pin G is directed along member GD. Why? Figure 10 f -100-100-100- 1 of 1 Determine the force in member CE Express your answer in kilopounds to three significant figures. Enter negative value in the case of compression and positive value in the case of tension. 15. ΑΣΦ | 11 | voc FCE Submit Part B Request Answer Fre- Determine the force in member FE Express your answer in kilopounds to three significant figures. Enter negative value in compression and positive value in the case of tension. VAXI -3.38 vec Submit Previous Answers Request Answer X Incorrect; Try Again ? kip ? kip case of

2) A cantilevered truss is loaded as shown below. Using method of sections determine the force in member BC. Leave your answer in terms of P. Specify tension (T) or compression (C). (FYI, you do not need a calculator to do this problem.) (Hint: you do not need to find the support reactions to do this problem.) Ans: FBC = (9P)/4 (T) 6 m 6 m 4 m D E 3 m 6 m 3 m

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Structural analysis:: truss.. please try to solve it

1 Problems Using the method of joints, determine the force in each member of the truss shown. Summarize the results on a force summation diagram, and indicate whether each mem- ber is in tension or compression. You may want to try the "quick" method for Problems 3.14 through 3.17. ord Fel 3.12 30° 1000# D H DICK 110 lel 10¹ L E C lol in 1000 # 31 1000

1. Use the METHOD OF SECTIONS to determine the forces in members AC, BC, and BD of the truss in Figure 1 and indicate whether each of these members is in tension or compression. As usual, show any free-body diagram(s) (including all essential components), and clearly annotate all calculations. Note: You may use the support reactions calculated in Tutorial S2, Problem 3 without repeating the necessary calculations. А C 220° 1 m 25 KN В 1 m 1 m Figure 1. [ans.: FAC = 51.29 kN (tension); FBC = -22.73 kN (comp); FBD = -16.07 kN (comp)]