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Summary: Equiiibrium "With a Twist" (Structures) Figure 3 shows a simple truss with three applied loads. It is supported by a pin joint at A and a roller at E. You will notice that A = 0 "by inspection" because of symmetry A, = E, = 60 kN. It is (hopefully?) clear from the diagram that all horizontal spans are 5 m long and all vertical spans are 4 m tall. (a) Briefly (in 1-2 phrases, diagrams or equations) describe how you know this is a simple truss as opposed to a "frame" or "machine" C Figure 3 4 m E 5 m 5 m 5 m 5 m H. G (b) Find the magnitude of the force BC acting on member BC and state whether it is in tension or compression. Make sure the method you use is clear and that you include as many FBDS as necessary to justify your answer 30 kN 60 kN 30 kN

Summary: Equiiibrium "With a Twist" (Structures) Figure 3 shows a simple truss with three applied loads. It is supported by a pin joint at A and a roller at E. You will notice that A = 0 "by inspection" because of symmetry A, = E, = 60 kN. It is (hopefully?) clear from the diagram that all horizontal spans are 5 m long and all vertical spans are 4 m tall. (a) Briefly (in 1-2 phrases, diagrams or equations) describe how you know this is a simple truss as opposed to a "frame" or "machine" C Figure 3 4 m E 5 m 5 m 5 m 5 m H. G (b) Find the magnitude of the force BC acting on member BC and state whether it is in tension or compression. Make sure the method you use is clear and that you include as many FBDS as necessary to justify your answer 30 kN 60 kN 30 kN

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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10:07 , a0 23 * TE 99% Summary: Equmibrium "With a Twist" (Structures) Figure 3 shows a simple truss with three applied loads. It is supported by a pin joint at A and a roller at E. You will notice that A = 0 “by inspection" because of symmetry A, = E, = 60 kN. It is (hopefully?) clear from the diagram that all horizontal spans are 5 m long and all vertical spans are 4 m tall. (a) Briefly (in 1-2 phrases, diagrams or equations) describe how you know this is a simple truss as opposed to a "frame" or "machine" C Figure 3 4 m E 5 m 5 m 5 m 5 m A. H. G F (b) Find the magnitude of the force BC acting on member BC and state whether it is in tension or compression. Make sure the method you use is clear and that you include as many FBDS as necessary to justify your answer 30 kN 60 kN 30 kN
Transcribed Image Text:10:07 , a0 23 * TE 99% Summary: Equmibrium "With a Twist" (Structures) Figure 3 shows a simple truss with three applied loads. It is supported by a pin joint at A and a roller at E. You will notice that A = 0 “by inspection" because of symmetry A, = E, = 60 kN. It is (hopefully?) clear from the diagram that all horizontal spans are 5 m long and all vertical spans are 4 m tall. (a) Briefly (in 1-2 phrases, diagrams or equations) describe how you know this is a simple truss as opposed to a "frame" or "machine" C Figure 3 4 m E 5 m 5 m 5 m 5 m A. H. G F (b) Find the magnitude of the force BC acting on member BC and state whether it is in tension or compression. Make sure the method you use is clear and that you include as many FBDS as necessary to justify your answer 30 kN 60 kN 30 kN
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