For the truss shown determine the member forces in EF, EG, and FG (no, this is not an error) in pounds. (Ask yourself whether or not you must find the reactions at J and K to solve the problem. A 1,230 Ib < 2,460 lb D E 2,460 Ib- 5@5ft = 25ft G 1,845 Ib H 1,230 Ib < 615 Ib - J. 12 ft FEF magnitude Ib sense compression FEG magnitude sense tension FEG magnitude Ib sense tension

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

For the truss shown, determine the member forces in EF, EG, and FG in pounds. (Note: this is not an error). Consider if reactions at J and K need to be found to solve this problem.

**Diagram Explanation:**

The diagram illustrates a triangular truss structure with the following:

- Point A at the top, connected vertically to points B, D, F, and J.
- Points G, I, and K fall below points F, H, and J, forming a right-angled triangular geometry.
- There are horizontal members between these vertical points.

**Loads:**
- Applied from top to bottom at nodes, the loads are:
  - 1,230 lb at A
  - 2,460 lb at C
  - 2,460 lb at E
  - 1,845 lb at G
  - 1,230 lb at I
  - 615 lb at J

**Dimensions:**
- Height: Five vertical segments of 5 feet each, totaling 25 feet.
- Base: 12 feet between supports at J and K.

**Support Reactions:**
- Roller support at J
- Pin support at K

**Member Forces to Find:**
1. \(\overline{F}_{EF}\)
   - Magnitude: ____ lb
   - Sense: Compression (selected)
2. \(\overline{F}_{EG}\)
   - Magnitude: ____ lb
   - Sense: Tension (selected)
3. \(\overline{F}_{FG}\)
   - Magnitude: ____ lb
   - Sense: Tension (selected)

Use this information to calculate the member forces using appropriate static equilibrium conditions and truss analysis methods.
Transcribed Image Text:**Truss Analysis Problem** For the truss shown, determine the member forces in EF, EG, and FG in pounds. (Note: this is not an error). Consider if reactions at J and K need to be found to solve this problem. **Diagram Explanation:** The diagram illustrates a triangular truss structure with the following: - Point A at the top, connected vertically to points B, D, F, and J. - Points G, I, and K fall below points F, H, and J, forming a right-angled triangular geometry. - There are horizontal members between these vertical points. **Loads:** - Applied from top to bottom at nodes, the loads are: - 1,230 lb at A - 2,460 lb at C - 2,460 lb at E - 1,845 lb at G - 1,230 lb at I - 615 lb at J **Dimensions:** - Height: Five vertical segments of 5 feet each, totaling 25 feet. - Base: 12 feet between supports at J and K. **Support Reactions:** - Roller support at J - Pin support at K **Member Forces to Find:** 1. \(\overline{F}_{EF}\) - Magnitude: ____ lb - Sense: Compression (selected) 2. \(\overline{F}_{EG}\) - Magnitude: ____ lb - Sense: Tension (selected) 3. \(\overline{F}_{FG}\) - Magnitude: ____ lb - Sense: Tension (selected) Use this information to calculate the member forces using appropriate static equilibrium conditions and truss analysis methods.
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