Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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Transcribed Image Text:Question 26
The truss shown below has a hinge support at point A, a horizontal roller at point B, and is subjected to two poin
loads (P1 and P2). If P1 = 20 kN and P2 = 123 kN, what is the force, in kN, in member DE?
NOTE: Enter a positive value if the member is in Tension and a negative value if the member is in Compression.
A
60°
B
4 m
E
4 m.
4 m
60⁰
D
P1 (kN)
2
P2 (KN)
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- 3. Given: A truss shown below Find: Forces at members BC, CG and FG B 2 m A G. F E at 2 m 2 m 2 m- 1000 Narrow_forwardProblem 6.40 Consider the truss shown in (Figure 1). Suppose that F₁ = 4.5 kN and F₂ = 5 kN Figure 1 2 kN of 1 F. B F. C F, D F G -5m-5 m-5 m-5 m 3 kN E dan 3 m Part A Determine the force in member CD and state if this 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. FCD= -11.9 kN Submit Correct Part B Determine the force in member CF and state if this 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. FCF 9.84 My Answers Give Up Submit μA KN My Answers Give Up Incorrect; Try Again; 5 attempts remaining μA ? Part C Determine the force in member CG and state if this member is in tension or compression. Express your answer to three significant figures and include the…arrow_forwardUsing the method of joints, determine the force in each member of the roof truss shown. Take the load P = 1.4 kN. (Round the final answers to a single decimal place.) 6 m- 2.4 kN B 9 m 6 m 2.4 kN O 6 m 9 m The force in member DF (FDF) is 0. The force in member EF (FEF) is The force in member AB (FAB) is The force in member AC (FAC) is The force in member BC (FBC) is The force in member BD (FBD) is The force in member CD (FCD) is The force in member CE (FCE) is The force in member DE (FDE) is P 7.5 m kN. (Compression) kN. (Compression) KN. (Tension) kN. (Compression) kN. (Compression) kN. (Tension) kN. (Tension) kN. (Compression)arrow_forward
- Calculate the forces in members AC, AD, and DE for the loaded truss. Restraining link BC is horizontal. Forces are positive if in tension, negative if in compression. B Answer: AC = 3' AD = i i DE = i C 3' 600 lb D 3' E lb lb lbarrow_forwardThe portion of the truss shown represents the upper part of a power transmission line tower. For the given loading, determine the force in each of the members located above members HJ. State whether 2. each member is in tension or compression. Ans: AB = DF = 2.29 kN T; AC = EF = 2.29 kN C; BD = 2.21 kN T; BC = DE = 0.60 kN C; BE = EH = 0; CE = 2.21 kN C; CH = EJ = 1.20 kN C %3Darrow_forward1. Given: Truss shown below with P = 100 N Find: (1) Reactions at A and E and (2) forces in all the members 4 m- B. 60° Ap 60 D E 4 m 4 marrow_forward
- The two vertical steel [E = 200 GPa] rods that support rigid bar ABCD are initially free of stress. Rod (1) has an area of A1 = 410 mm2 and a length of L1 = 3.2 m. Rod (2) has an area of A2 = 355 mm2 and a length of L2 = 1.3 m. Assume dimensions of a = 3.4 m, b = 1.2 m, and c = 1.5 m. After a load of P = 50 kN is applied to the rigid bar at D, determine: (a) the normal stresses in rods (1) and (2) (b) the magnitude of the downward deflection of the rigid bar at D. y,v (2) L2 a B C D x,u Rigid bar |(1) Answer: (a) o1 = i MPa 02 = i MPa (b) VD = i mmarrow_forwardThe truss structure shown below is subjected to the following loads F1= 437 lb F2= 726 lb and has the following geometry: w = 10 ft F2 F1 F1 W W -B D G. F -AC E Determine the support reactions at A and E. Determine the forces in members BC, CG, and FG and state whether they are in tension or compression. Determine the forces in members ED and EF and state whether they are in tension or compression.arrow_forwardA pin-jointed truss ABC shown below consists of two links AB and BC. These links are 6 mm thick and 20 mm wide as shown. There are support brackets at A and C. All pins are 12 mm in diameter and a vertical force, P = 9 kN is applied at pin B as shown. The angle 0 =38 deg. and the angle ẞ = 0 + 20 deg. The normal stress in link AB is (The result is accurate to one decimal place, in the unit MPa. Please write down only the value of your final result) · 12mm 9 20mm -1.0m⋅ Barrow_forward
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