4. Solve for the support reactions at A, B, and C. 3 C 3 15 4 3 BE C.G.- F E 2k 8k 16' 4' 12'

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**Problem 4: Structural Analysis**

Objective: Solve for the support reactions at points A, B, and C.

**Diagram Details:**

- A truss system is depicted, consisting of members supported at points A, B, and C.
- **Supports:**
  - **Point A**: Roller support on a horizontal surface.
  - **Point B**: Pin support on a vertical wall.
  - **Point C**: Roller support on a sloped surface.
  
- **Forces:**
  - A downward force of 2 kips (2k) is applied at a point 4 feet from point A.
  - A downward force of 8 kips (8k) is applied 12 feet from the 2 kip load, and 16 feet from point A.
  
- **Truss Configuration:**
  - Between points D and B, the truss member is angled, with a ratio of 3 (vertical) to 4 (horizontal).
  - A diagonal member is connected between points C and D.
  - The center of gravity (C.G.) is labeled between points F and E.

- **Dimensions:**
  - The horizontal distance AB is 16 feet.
  - The distance between the vertical forces is specified, with 4 feet separating the loads, and 12 feet separating the 8 kip load from the next point (E).
  - A 4-foot segment extends beyond the 8 kip load to point E.

**Analysis Tasks:**
- Determine the reaction forces at supports A, B, and C by applying static equilibrium equations.
- Ensure to use equilibrium conditions:
  - Sum of vertical forces = 0
  - Sum of horizontal forces = 0
  - Sum of moments about any point = 0

This structural analysis problem will involve calculating these unknown support reactions based on the given forces and geometry.
Transcribed Image Text:**Problem 4: Structural Analysis** Objective: Solve for the support reactions at points A, B, and C. **Diagram Details:** - A truss system is depicted, consisting of members supported at points A, B, and C. - **Supports:** - **Point A**: Roller support on a horizontal surface. - **Point B**: Pin support on a vertical wall. - **Point C**: Roller support on a sloped surface. - **Forces:** - A downward force of 2 kips (2k) is applied at a point 4 feet from point A. - A downward force of 8 kips (8k) is applied 12 feet from the 2 kip load, and 16 feet from point A. - **Truss Configuration:** - Between points D and B, the truss member is angled, with a ratio of 3 (vertical) to 4 (horizontal). - A diagonal member is connected between points C and D. - The center of gravity (C.G.) is labeled between points F and E. - **Dimensions:** - The horizontal distance AB is 16 feet. - The distance between the vertical forces is specified, with 4 feet separating the loads, and 12 feet separating the 8 kip load from the next point (E). - A 4-foot segment extends beyond the 8 kip load to point E. **Analysis Tasks:** - Determine the reaction forces at supports A, B, and C by applying static equilibrium equations. - Ensure to use equilibrium conditions: - Sum of vertical forces = 0 - Sum of horizontal forces = 0 - Sum of moments about any point = 0 This structural analysis problem will involve calculating these unknown support reactions based on the given forces and geometry.
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