Structural Analysis
Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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3.) Please help with problem and provide FBDs (free body diagrams)
### Problem Statement

Determine the force in each member of the truss below and state whether the members are in tension or compression. Use the following loads:
- \( P_1 = 12 \, \text{kN} \)
- \( P_2 = 16 \, \text{kN} \)

### Diagram Explanation

The truss depicted is a planar structure composed of several members connected at joints. The specific diagram details are as follows:

- **Structure Layout**
  - The truss is supported at point \( A \) with a hinge and at point \( D \) with a roller.
  - The truss has joints labeled \( A, B, C, D, E, F, \) and \( G \).
  - There is a horizontal beam \( GE \) that extends across the top of the truss.
  - Vertical and diagonal members connect these top points with the base, forming a series of triangles.

- **Dimensions**
  - The vertical segment \( AG \) is \( 3 \, \text{m} \).
  - The horizontal distance between \( A \) and \( B \) is \( 2 \, \text{m} \).
  - The horizontal distance between \( B \) and \( C \) is \( 3 \, \text{m} \).
  - The horizontal distance between \( C \) and \( D \) is \( 2 \, \text{m} \).

- **Loads and Forces**
  - The load \( P_1 = 12 \, \text{kN} \) is applied vertically downward at joint \( B \).
  - The load \( P_2 = 16 \, \text{kN} \) is applied vertically downward at joint \( D \).

The task is to analyze the truss, compute the forces in each member, and determine whether these members are in tension or compression under the given load conditions.
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Transcribed Image Text:### Problem Statement Determine the force in each member of the truss below and state whether the members are in tension or compression. Use the following loads: - \( P_1 = 12 \, \text{kN} \) - \( P_2 = 16 \, \text{kN} \) ### Diagram Explanation The truss depicted is a planar structure composed of several members connected at joints. The specific diagram details are as follows: - **Structure Layout** - The truss is supported at point \( A \) with a hinge and at point \( D \) with a roller. - The truss has joints labeled \( A, B, C, D, E, F, \) and \( G \). - There is a horizontal beam \( GE \) that extends across the top of the truss. - Vertical and diagonal members connect these top points with the base, forming a series of triangles. - **Dimensions** - The vertical segment \( AG \) is \( 3 \, \text{m} \). - The horizontal distance between \( A \) and \( B \) is \( 2 \, \text{m} \). - The horizontal distance between \( B \) and \( C \) is \( 3 \, \text{m} \). - The horizontal distance between \( C \) and \( D \) is \( 2 \, \text{m} \). - **Loads and Forces** - The load \( P_1 = 12 \, \text{kN} \) is applied vertically downward at joint \( B \). - The load \( P_2 = 16 \, \text{kN} \) is applied vertically downward at joint \( D \). The task is to analyze the truss, compute the forces in each member, and determine whether these members are in tension or compression under the given load conditions.
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