Use the method of joints to find all reaction andmember forces in the trusses.(1-a)(1–b)(1–c)3 kN3 kN144 m4 m4 m8 kN8 kN3 m3 m3 m3 m3 m(2-a)(2–b)(2-c)| 6 kN4 kN4 kN1.5 m3 m3 m3m4 m4 m2 m2 m

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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 bridge is pinned at A and has a roller at G. A downward load of 12.5 lb is applied at point C, and a downward load of 25 lb is applied at E. The support reactions at the pin and roller are shown on the image. Find the stress in members making up the bridge using either the method of joints or method of sections.
Determine the forces in members CD, ČJ, and DJ. 6 panels at 3' M K H В C D E F G L L L Part 1 The free-body diagram of the entire truss is shown. Find the force ly. I M. K H C E G. A. L L A, L L Answer: ly = i
F3-6. Determine the force in each member of the truss and state whether it is in tension or compression. 500 kN A A₂< 250 kN 500 kN 200lF m 1.5m B 1.5m 2m C 200 kN 500k N WH 1.5m D Im 1.5 м 250 kN E
4.2Determine the force in members JK, CJ, and CD of the truss, and state if the members are in tension or compression. K L H 3 m B C D E F -2 m+2 m-- 2 m-2 m--2 m-2 m- 4 kN 5 kN 6 kN 8 kN
Use the method of joints to find all reaction and member forces in the trusses. (1-a) 3 kN 4 m И Д 3 м (2-a) 3 m 4 m 4 kN (1-b) 4 m (2-b) 3 m 3 m 4 kN 4m 8 kN 3m (1-c) 4m (2-c) B 3 m 1.5 m 1 3 m 8 kN 2 m 3 м 6 kN 3 kN 2m
2) Determine the force in each member of the truss shown: Assume all joints are pinned. Assume the reactions at A and B are pinned. 2k 1k AG 12 ft E 2 k F 12 ft 2 k 12 ft - 12 ft
Determine the force in each member of the loaded truss. The forces are positive if in tension, negative if in compression. Assume F- 3190 N, a - 2.8 m, b - 5.6 m, 0 = 43°. B. a D b F Answers: AB - N AC - i N AD - i N BC - i N CD - i N
3 kN 4 m 5 kN 6 kN 4 kN 5 kN, K 林 L B C D 4 kN 2 m H E | F T2m 2 kN 2 m 2 m 2 m 2 m Determine the force in members CD of the Howe truss, and state if the member is in tension (T) or compression (C). G
2. Determine the forces in the members CG, HG and CH of the truss shown by the method of sections. 3 m 3 m E. B 10 kN 10 kN 10 kN +4m- 4 m- -4m- 4m-
F3-5. Determine the force in each member of the truss and state whether it is in tension or compression. 2m D 2 m- B ܐ 60° 8 kN F3-5
4. Determine the force in members CD and CM of the Baltimore bridge truss and state if the members are in tension or compression. Also, indicate all zero-force members. M K N O P A B C D DE F H 2 kN 2 kN 5 kN 3 KN 16 m, 8 @ 2m 2 m + 2 m
3 E 8 m 3 m 6 m 3 m G. 40 kN 50 kN 8 m In the truss loaded as shown, determine the force in the member BE. C)

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Use the method of joints to find all reaction and member forces in the trusses. (1-a) (1-b) (1-c) 3 kN 3 kN 4 m 4 m 4 m 8 kN |8 KN 3 m 3m 3m 3m 3 m (2-a) (2–b) (2-c) 6 kN