Chapter 3-Equilibrium of Force Systems 20. Determine the support reactions for the truss shown below. 75 kN H 25 kN 3 m 3 m B D E A 5 kN C 15 kN I 3 m 3 m 3 m 3 m

Structural Analysis
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Chapter2: Loads On Structures
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Chapter 3-Equilibrium of Force Systems
20. Determine the support reactions for the truss shown below.
25 kN
75 kN
3 m
3
B
D
5 kN
C
15 kN
I
3 m
3 m
3 m
3 m
ய
3 m
21. Determine the forces in members OA, OB, and OC in the concurrent space
below.
Transcribed Image Text:Chapter 3-Equilibrium of Force Systems 20. Determine the support reactions for the truss shown below. 25 kN 75 kN 3 m 3 B D 5 kN C 15 kN I 3 m 3 m 3 m 3 m ய 3 m 21. Determine the forces in members OA, OB, and OC in the concurrent space below.
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