Homework Answers
Question Four: For the pin-jointed truss shown in Figure 4, 3m 12 KN 3m 30 kN 3m 15 kN 4m 4m 3m 3m 6m Figure 4. Calcula...
Question Four: For the pin-jointed truss shown in Figure 4, 3m 12 KN 3m 30 kN 3m 15 kN 4m 4m 3m 3m 6m Figure 4. Calculate the reactions at A and B. (a) By inspection (involving no calculations), list all the zero force members. (b) (c) By method of joints, analyse joints T, S and N to determine the force in members ST NT, RS, SN, MN and RN. In your answer, you must state whether the members are...
Problem 4 EM2 Find zero force members Determine the force in members KJ, CJ, and CD...
Problem 4 EM2 Find zero force members Determine the force in members KJ, CJ, and CD using method of sections and state if the members are in tension or compression. Then use the previous result to find the force in member JE using the method of joints. 30 kN 20 KN 15 kN 15 kN 10 kN 5 kN LKL HG B FI 3 @ 1 m - 3 m 6@ 3 m = 18 m Problem 4 EM2 Find...
4 m Consider the following truss. 5 kN A 4 m 5 kN DY 5 kN...
4 m Consider the following truss. 5 kN A 4 m 5 kN DY 5 kN 4 m USE METHOD OF SECTIONS to determine the forces in members DG, DE, DB, and DA. State whether the members are in tension or compression.
8 kN 10 kN 4 kN 1.5 m 2 m 2 m Determine the force in...
8 kN 10 kN 4 kN 1.5 m 2 m 2 m Determine the force in each member of the truss by method of joints and state if it is in tension or compression.
Problem 2 For the truss shown in the figure, a) Identify the zero-force members. b) Determine...
Problem 2 For the truss shown in the figure, a) Identify the zero-force members. b) Determine the forces in members ij & ih by the k 200N 100N Method of Joints c) Determine the force in member df by the Method of Sections. (Specify whether Tension or Compression). 3 m 3m
Problem 1 1. Locate the centroid of the shaded plane area shown (x,y) 2. The moment...
Problem 1 1. Locate the centroid of the shaded plane area shown (x,y) 2. The moment of inertia about the x-axis ** All the dimensions are in mm. 80 30 60 -20- Problem 2 The tower truss is subjected to the loads shown. 1. Using Method of sections, determine the force in members EF, EG, and DG 2. Using the results from (1) and Method of joints, determine the force in member ED Indicate whether the members are in tension...
Use the method of joints to determine the forces in members BC BD
F1 = 871 lb F2 = 228 lb L=7ft h=5.25 ft 1 Use the method of joints to determine the forces in members BC BD. BE and CE) and state if the members are in tension or in compression 2 Use the method of sections to determine the forces in members (DF. EF and EG) and state if the members are in tension or in compression.
Use the method of joints to determine the forces in members (BC, BD, BE and CE)
F1 = 695 lb F2 = 271 lb L = 3 ft 1 h = 2.25 ft .1 Use the method of joints to determine the forces in members (BC, BD, BE and CE) and state if the members are in tension or in compression. 2. Use the method of sections to determine the forces in members (DF, EF and EG) and state if the members are in tension or in compression.
Use the method of joints to determine the forces in members (BC, BD, BE and CE)
F1 = 775 lb F2 = 499 lb L = 4 ft h = 3 ft 1- Use the method of joints to determine the forces in members (BC, BD, BE and CE) and state if the members are in tension or in compression. 2- Use the method of sections to determine the forces in members (DF, EF and EG) and state if the members are in tension or in compression.
A roof truss is loaded and supported as shown in Figure 2. The joints are all...
A roof truss is loaded and supported as shown in Figure 2. The joints are all pinned. (a) Determine the support reactions at A and G. (25 marks) (b)Using "Method of joints" find the forces in members AB, AF, GF, CD and DE of the truss. State whether each of these members is in tension or compression. (75 marks) (c) Determine the force in members BC, CF and EF of the truss using "Method of sections". State whether each of...
Question Four: For the pin-jointed truss shown in Figure 4, 3m 12 KN 3m 30 kN 3m 15 kN 4m 4m 3m 3m 6m Figure 4. Calculate the reactions at A and B. (a) By inspection (involving no calculations), list all the zero force members. (b) (c) By method of joints, analyse joints T, S and N to determine the force in members ST NT, RS, SN, MN and RN. In your answer, you must state whether the members are...
Problem 4 EM2 Find zero force members Determine the force in members KJ, CJ, and CD using method of sections and state if the members are in tension or compression. Then use the previous result to find the force in member JE using the method of joints. 30 kN 20 KN 15 kN 15 kN 10 kN 5 kN LKL HG B FI 3 @ 1 m - 3 m 6@ 3 m = 18 m Problem 4 EM2 Find...
4 m Consider the following truss. 5 kN A 4 m 5 kN DY 5 kN 4 m USE METHOD OF SECTIONS to determine the forces in members DG, DE, DB, and DA. State whether the members are in tension or compression.
8 kN 10 kN 4 kN 1.5 m 2 m 2 m Determine the force in each member of the truss by method of joints and state if it is in tension or compression.
Problem 2 For the truss shown in the figure, a) Identify the zero-force members. b) Determine the forces in members ij & ih by the k 200N 100N Method of Joints c) Determine the force in member df by the Method of Sections. (Specify whether Tension or Compression). 3 m 3m
Problem 1 1. Locate the centroid of the shaded plane area shown (x,y) 2. The moment of inertia about the x-axis ** All the dimensions are in mm. 80 30 60 -20- Problem 2 The tower truss is subjected to the loads shown. 1. Using Method of sections, determine the force in members EF, EG, and DG 2. Using the results from (1) and Method of joints, determine the force in member ED Indicate whether the members are in tension...
F1 = 871 lb F2 = 228 lb L=7ft h=5.25 ft 1 Use the method of joints to determine the forces in members BC BD. BE and CE) and state if the members are in tension or in compression 2 Use the method of sections to determine the forces in members (DF. EF and EG) and state if the members are in tension or in compression.
A roof truss is loaded and supported as shown in Figure 2. The joints are all pinned. (a) Determine the support reactions at A and G. (25 marks) (b)Using "Method of joints" find the forces in members AB, AF, GF, CD and DE of the truss. State whether each of these members is in tension or compression. (75 marks) (c) Determine the force in members BC, CF and EF of the truss using "Method of sections". State whether each of...
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