Calculate the forces in members AC, AD, and DE for the loaded truss. Restraining link BC is horizontal. Forces are positive if in tension, negative if in compression.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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## Truss Analysis Problem

**Objective:**  
Calculate the forces in members AC, AD, and DE for the loaded truss. The restraining link BC is horizontal. Forces are positive if in tension and negative if in compression.

**Truss Diagram:**

- Points A, B, C, D, and E are shown, forming a truss structure.
- Horizontal member BC is a restraining link and is 4 feet long.
- Triangular structure within the truss with segments AD = 4 feet, AC = 4 feet, and DE = 4 feet.
- External force of 570 lb is applied vertically downward at point E.

**Instructions:**

- Determine the force in each member: AC, AD, and DE.
- Specify whether each force is in tension (positive) or compression (negative).

**Answer Section:**

- AC: \_\_\_ lb  
- AD: \_\_\_ lb  
- DE: \_\_\_ lb  

*(Provide your calculations and results in the spaces above)*

Use the method of joints or sections to solve for the internal forces, considering equilibrium conditions and trigonometric relationships to determine the nature and magnitude of forces in each member.
Transcribed Image Text:## Truss Analysis Problem **Objective:** Calculate the forces in members AC, AD, and DE for the loaded truss. The restraining link BC is horizontal. Forces are positive if in tension and negative if in compression. **Truss Diagram:** - Points A, B, C, D, and E are shown, forming a truss structure. - Horizontal member BC is a restraining link and is 4 feet long. - Triangular structure within the truss with segments AD = 4 feet, AC = 4 feet, and DE = 4 feet. - External force of 570 lb is applied vertically downward at point E. **Instructions:** - Determine the force in each member: AC, AD, and DE. - Specify whether each force is in tension (positive) or compression (negative). **Answer Section:** - AC: \_\_\_ lb - AD: \_\_\_ lb - DE: \_\_\_ lb *(Provide your calculations and results in the spaces above)* Use the method of joints or sections to solve for the internal forces, considering equilibrium conditions and trigonometric relationships to determine the nature and magnitude of forces in each member.
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