A homogeneous siender bar AB of mass m and length L is released from rest in the position shown i Draw the complete free-body-diagram (Respond on paper). How many forces act on bar in free-body-diagram? (Respond in Blackbaord) What is the label of force(s) does (do) work in free-body-diagram? (Respond in Blackbaord) 45° Figure 2

Elements Of Electromagnetics
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*** SKETCH ONLY DRAW the kinematic diagram & Free body diagram and label it for this problem
**Understanding Free-Body Diagrams: The Case of a Slender Bar**

**Scenario Description:**

A homogeneous slender bar \( AB \) of mass \( m \) and length \( L \) is released from rest in the position shown in Figure 2. The horizontal plane is frictionless.

**Tasks:**

1. **Draw the Complete Free-Body Diagram:**
   - Respond on paper.

2. **Identify the Forces:**
   - Determine how many forces act on the bar in the free-body diagram.
   - Respond on Blackboard.

3. **Label the Force(s) Doing Work:**
   - Identify and label which forces are doing work in the free-body diagram.
   - Respond on Blackboard.

**Diagram Explanation:**

- **Bar AB**: The diagram shows a bar inclined at \( 45^\circ \) to the horizontal.
- **Length and Mass Indicators**: The bar is labeled with its length \( L \) and mass \( m \).
- **Angle Indicator**: The angle \( 45^\circ \) is shown between the bar and the horizontal surface.
- **Point A and B**: The two ends of the bar are marked as \( A \) (on the surface) and \( B \) (elevated).

The diagram helps visualize the situation for constructing a free-body diagram, identifying forces such as gravitational force, normal force, and any other relevant forces acting on the bar at rest before release.
Transcribed Image Text:**Understanding Free-Body Diagrams: The Case of a Slender Bar** **Scenario Description:** A homogeneous slender bar \( AB \) of mass \( m \) and length \( L \) is released from rest in the position shown in Figure 2. The horizontal plane is frictionless. **Tasks:** 1. **Draw the Complete Free-Body Diagram:** - Respond on paper. 2. **Identify the Forces:** - Determine how many forces act on the bar in the free-body diagram. - Respond on Blackboard. 3. **Label the Force(s) Doing Work:** - Identify and label which forces are doing work in the free-body diagram. - Respond on Blackboard. **Diagram Explanation:** - **Bar AB**: The diagram shows a bar inclined at \( 45^\circ \) to the horizontal. - **Length and Mass Indicators**: The bar is labeled with its length \( L \) and mass \( m \). - **Angle Indicator**: The angle \( 45^\circ \) is shown between the bar and the horizontal surface. - **Point A and B**: The two ends of the bar are marked as \( A \) (on the surface) and \( B \) (elevated). The diagram helps visualize the situation for constructing a free-body diagram, identifying forces such as gravitational force, normal force, and any other relevant forces acting on the bar at rest before release.
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