1 Diagnosis (including stability, determinacy, zero-force member) 2 Free body Diagram (FBD): 3 Reaction forces 4 Internal forces 5 Summary 3 m -4 m- GE B T a -4 m- C -400 N -4 m- 1200 N

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Please provide the diagnosis, free body diagram, reaction forces and internal forces for the following two figure:
**Method of Sections: Internal Forces in Members GE, GC, and BC**

**1. Diagnosis**
- Consider stability, determinacy, and zero-force members.

**2. Free Body Diagram (FBD):**
- An illustration displays a truss with joints labeled A through G.
- Forces acting on the truss include a 400 N force at joint E and a 1200 N force at point A.
- The truss is supported at points A and D.

**3. Reaction Forces**
- \( A_x = 400 \, \text{N} \)
- \( A_y = 300 \, \text{N} \)
- \( D_y = 900 \, \text{N} \)

**4. Internal Forces**
- Determine the internal forces in the truss members GE, GC, and BC using equilibrium equations.

**5. Summary**
- \( F_{BC} = F_{CB} = 800 \, \text{N (Tension)} \)
- \( F_{GE} = F_{EG} = -800 \, \text{N (Compression)} \)
- \( F_{GC} = F_{CG} = 500 \, \text{N (Tension)} \)
Transcribed Image Text:**Method of Sections: Internal Forces in Members GE, GC, and BC** **1. Diagnosis** - Consider stability, determinacy, and zero-force members. **2. Free Body Diagram (FBD):** - An illustration displays a truss with joints labeled A through G. - Forces acting on the truss include a 400 N force at joint E and a 1200 N force at point A. - The truss is supported at points A and D. **3. Reaction Forces** - \( A_x = 400 \, \text{N} \) - \( A_y = 300 \, \text{N} \) - \( D_y = 900 \, \text{N} \) **4. Internal Forces** - Determine the internal forces in the truss members GE, GC, and BC using equilibrium equations. **5. Summary** - \( F_{BC} = F_{CB} = 800 \, \text{N (Tension)} \) - \( F_{GE} = F_{EG} = -800 \, \text{N (Compression)} \) - \( F_{GC} = F_{CG} = 500 \, \text{N (Tension)} \)
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