9. Determine the smallest safe cross sectional areas of members' AG and BCfor the truss shown in Figure 7. The working stresses are 20 Ksi in tensionand 14 Ksi in compression. (the working stress in compression is smaller toreduce the danger of Buckling.4ftB6ftG40 Kips4ft6ft25Kips4ftFIGURE 7D6ftE

Answered: Image /qna-images/answer/2e6e53eb-7ae6-455a-939f-8313715659b5.jpg

Answered: 9. Determine the smallest safe cross…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The members of the truss shown below have a cross-sectional area of 10,000 mm2. Determine the stresses in members AB and AE in MPa. Indicate if the stresses are in compression or tension. 3 m 3 m C E 40 kN 80 kN F. 6m- 3 m-
Determine the smallest allowable cross-sectional areas of members JK, DK, and DE of the truss shown. The working stresses are 120 MPa in tension and 80 MPa in compression. (A reduced stress in compression is specified to reduce the danger of buckling.)
Use sin cos
Q2: Determine the force in members JK, JN, and CD. State if the members are in tension of compression. Identify all the zero-force members? A M L B 20 ft K +4 с 2 k N 30 ft- Figure (2) H DE 2 k 20 ft G 20 ft F
For the truss and loading shown, determine most economical cross-sectional area (in in2) of member DF, if P = 40453 lb, Q = 38513 Ib, y = 7.94 ft, and the stress in the member is 12.47 ksi . Round off the final answer to two decimal places. M 0004(1).png ... В E 4 panels at 10 ft = 40 ft
Problem 1 The cross-sectional area of each member of the truss is 1200 mm². Calculate the stresses in members AB, BC, DF, CE, and BD. A 4 m C 100 kN B 6 m 3 m 200 kN D 4 m E 3 m F
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…
Example #3: For the truss shown in Fig. Figure P-111 P-111, calculate the stresses 6 ft in members CE, DE, and DF. The cross-sectional area of E 8 ft 6 ft 8ft 8 ft each member is 1.8 in?. Indicate tension (T) 30 kips or compression (C).
The truss shown in figure below is made up of bars 2 mlong. Find the load carried by the members AB, GE, and CD.
Chek which is correct.
1
Using Method of Joints. Solve the Truss Problem. Round off your answer into two decimal places.Eliminate all the zero-force members before analyzing. Find: BE, BC, EF ,DE, FG forces in kN.

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