Sketch a free-body diagram of each element in the figure. Compute the magnitude and direction of each force. Φ AC B 10 in 100 lbf 10 in 10 in 10 in →→→→
Sketch a free-body diagram of each element in the figure. Compute the magnitude and direction of each force. Φ AC B 10 in 100 lbf 10 in 10 in 10 in →→→→
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:### Mechanics: Analyzing Forces on a Beam
#### Problem Statement:
**Sketch a free-body diagram of each element in the figure. Compute the magnitude and direction of each force.**
#### Diagram Description:
The diagram illustrates a beam with multiple forces and pivots. The beam is horizontally aligned and fixed at one end (O) to a wall. The distance from O to point A is 10 inches, from A to B is another 10 inches, and from B to C is 10 inches.
- **Dimensions:**
- O to A: 10 inches
- A to B: 10 inches
- B to C: 10 inches
- **Forces:**
- A vertical force of 100 lbf is acting downward at point C.
- **Other Elements:**
- The beam is supported by a curved member connected at point B.
- The vertical distance from point B to the beam at point C is 10 inches.
#### Steps for Solving the Problem:
1. **Sketch a Free-Body Diagram:**
- Identify and indicate all forces acting on the beam.
- Include reaction forces at the support point O.
- Mark the applied load at point C and the directions of the forces.
- Show the points of application of forces and distances between these points.
2. **Compute the Magnitude and Direction of Each Force:**
- Apply the equations of static equilibrium to solve for unknown forces:
- Sum of Vertical Forces (`ΣFy = 0`)
- Sum of Horizontal Forces (`ΣFx = 0`)
- Sum of Moments about any point (`ΣM = 0`)
3. **Detailed Analysis:**
- Calculate the reactions at the fixed support (O).
- Calculate the forces in the curved member connected at point B by considering the geometry and the external force applied at point C.
- Break down forces into their components if necessary, especially if calculating moments around a point.
#### Graph/Diagram Explanation:
- **Graph:** The beam is shown with a horizontal alignment. Each measurement and force is labeled for clarity.
- **Connections:** The beam is fixed at one end (O) with a pin support and has a curved member at B, stressing the beam through C.
- **Load Applied:** A vertical force of 100 lbf acting downward at point C.
By carefully analyzing the forces and using principles of statics,
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