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Solve for a and b and c

Solve for a and b and c

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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Solve for a and b and c
**Summary of Method of Sections (and Joints)** **Figure 1** shows a simple truss with a pin joint at A and all other joints as shown. All truss members are 6 ft long as shown. A load of 7000 lb is applied directly at point F. 1. **Draw a Free Body Diagram (FBD)** for the whole truss. 2. **Find the reactions at A and E.** 3. **Use the Method of Sections** to find the internal forces in members CD and CH. Label them as tension (T) or compression (C). 4. **Use the Method of Joints** to find the internal force in member CI. Label it as (T) or (C). **NOTE:** You do not have to start from scratch; you can use the information in part (c) to save time. **Diagram Explanation:** - The diagram is a schematic of a bridge truss, consisting of interconnected beams forming triangular sections for stability. - Points A and E represent the supports for the truss. A has a pin support, and E has a roller support. - The truss is composed of multiple joints: A, B, C, D, E, F, G, H, I, and J. - The load of 7000 lb is applied vertically downward at point F. - The segments between the joints indicate the truss members, with specified lengths of 6 ft. - The vertical and horizontal components of the trusses are marked with distances to indicate structural dimensions and alignments: 6 ft, 18 ft, and 12 ft.
Transcribed Image Text:**Summary of Method of Sections (and Joints)** **Figure 1** shows a simple truss with a pin joint at A and all other joints as shown. All truss members are 6 ft long as shown. A load of 7000 lb is applied directly at point F. 1. **Draw a Free Body Diagram (FBD)** for the whole truss. 2. **Find the reactions at A and E.** 3. **Use the Method of Sections** to find the internal forces in members CD and CH. Label them as tension (T) or compression (C). 4. **Use the Method of Joints** to find the internal force in member CI. Label it as (T) or (C). **NOTE:** You do not have to start from scratch; you can use the information in part (c) to save time. **Diagram Explanation:** - The diagram is a schematic of a bridge truss, consisting of interconnected beams forming triangular sections for stability. - Points A and E represent the supports for the truss. A has a pin support, and E has a roller support. - The truss is composed of multiple joints: A, B, C, D, E, F, G, H, I, and J. - The load of 7000 lb is applied vertically downward at point F. - The segments between the joints indicate the truss members, with specified lengths of 6 ft. - The vertical and horizontal components of the trusses are marked with distances to indicate structural dimensions and alignments: 6 ft, 18 ft, and 12 ft.
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