1. Given the truss shown in the figure below: a. Complete the overall free body diagram for the truss by drawing ALL the reaction forces at F and E. b. Determine the reactions at supports F and E. c. Identify the zero-force member(s) in the truss if any. d. Use the Method of Sections to determine the force in members CD, DH, and HG and state if the member are in tension or compression. Draw the FBD of the section. Use the Method of Joints to determine the force in members HB and HI. Draw the FBD of the joint. e. A -4 ft- 1500 lb B I 4 ft- C H 4 ft G ➤4 F 4 ft- 3 ft
1. Given the truss shown in the figure below: a. Complete the overall free body diagram for the truss by drawing ALL the reaction forces at F and E. b. Determine the reactions at supports F and E. c. Identify the zero-force member(s) in the truss if any. d. Use the Method of Sections to determine the force in members CD, DH, and HG and state if the member are in tension or compression. Draw the FBD of the section. Use the Method of Joints to determine the force in members HB and HI. Draw the FBD of the joint. e. A -4 ft- 1500 lb B I 4 ft- C H 4 ft G ➤4 F 4 ft- 3 ft
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:1. Given the truss shown in the figure below:
a.
Complete the overall free body diagram for the truss by drawing ALL the reaction forces
at F and E.
b. Determine the reactions at supports F and E.
c. Identify the zero-force member(s) in the truss if any.
d.
Use the Method of Sections to determine the force in members CD, DH, and HG and
state if the member are in tension or compression. Draw the FBD of the section.
Use the Method of Joints to determine the force in members HB and HI. Draw the FBD
of the joint.
A
-4 ft-
1500 lb
4
3
5
B
I
L
4 ft
C
H
-4 ft
D
G
+
1
F
− 4 ft →
3 ft
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Step 1: a) Drawing the free body diagram of the given structure:-
VIEWStep 2: b) Determining the support reactions at F and E of the given structure:
VIEWStep 3: c) Identifying the zero force members of the given truss system:-
VIEWStep 4: d) By using method of sections to finding the force in members CD,DH and HG of the given truss :-
VIEWStep 5: e) By using method of joints to finding the force in members HB and HI of the given truss:-
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