Question-4 Find the magnitude and nature of the forces in members AC, AD, DB, CE, CF and FD by section method. A B 1 kN 2 m 2 kN C 2 m F 2 m 2 m 2 m

Indicate the force of the members as compression or tension. Show your solution and draw the free body diagram of your chosen joints and section. Sample Problem 2 Determine reaction at the support and the forces of each members of the truss shown. Use joint method. F G H 15 ft ТА B 24 k 30 k 4 at 20 ft = 80 ft A 3 D 12 k E

For the truss shown, Find the height of the truss?Analyze the load on each member of the truss?

A Pratt roof truss is loaded as shown in the figure. Using the method of joints, determine the force in members CD, DE, and DF.

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Determine the force in members GD of the truss in kN and state if the members are in tension or compression. B 1300 N 1.2 m 13 12 0.9 m 0.9 m F -1.2 m 1.2 m-1.2 m-1.2 m- Note: answer as negative value if the force is in compression and positive if it is in O -1 O 1 O 2 O -2 O -2.5 O 2.5 O 1.7 O -1.7

Problem 6.33 The Howe truss is subjected to the loading shown in (Figure 1). Suppose that F = 7 kN. Figure 1 3 m 2 KN of 1 2 m- B -2 m- IC -2 m- ID 2 kN 2 m- E Part A Determine the force in member GF and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. FGF 20.8 Submit Part B μA Incorrect; Try Again; 4 attempts remaining FCD= Submit KN My Answers Give Up Determine the force in member CD and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. Lo Di μA Value Units ? My Answers Give Up ? Part C Determine the force in member GC and state if the member is in tension or compression. Express your answer to three significant figures and include the…

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Question 8 of 9 A Determine the forces in members BC and CG. The forces are positive if in tension, negative if in compression. 12 kips Answers: BC = CG= 15' i B 11' 15' C 15' D F 66° E kips kips