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College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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### Educational Content: Free-Body Diagram on an Inclined Plane

#### Scenario Description:
A block of mass \( m \) rests on a rough inclined plane. The task is to identify the correct free-body diagram for this situation.

#### Diagram Explanation:

- **Inclined Plane Diagram:**
  - The block is shown on an inclined plane with angle \( \theta \).
  - The forces acting on the block include gravitational force, normal force, and frictional force (due to roughness).

- **Free-Body Diagrams:**
  - **Option 1:** 
    - Normal force \( \mathbf{N} \) is perpendicular to the plane.
    - Frictional force \( \mathbf{f} \) is parallel to the plane, pointing up the incline.
    - Gravitational force \( m \mathbf{g} \) acts vertically downward.

  - **Option 2:** 
    - Normal force \( \mathbf{N} \) is perpendicular to the plane.
    - Frictional force \( \mathbf{f} \) is parallel but misaligned (not on the incline).
    - Gravitational force \( m \mathbf{g} \) acts vertically downward.

  - **Option 3:** 
    - Normal force \( \mathbf{N} \) is perpendicular to the plane.
    - Frictional force \( \mathbf{f} \) is parallel to the plane, pointing up the incline.
    - Gravitational force \( m \mathbf{g} \) acts vertically downward.

  - **Option 4 (Correct Answer):** 
    - Normal force \( \mathbf{N} \) is perpendicular to the plane.
    - Frictional force \( \mathbf{f} \) is parallel to the plane, pointing up the incline.
    - Gravitational force \( m \mathbf{g} \) acts vertically downward.

#### Answer Identification:
The correct free-body diagram is the one labeled with a red X, showing the forces properly oriented with respect to the inclined plane: normal force perpendicular, frictional force parallel up the incline, and gravitational force vertically downward.
Transcribed Image Text:### Educational Content: Free-Body Diagram on an Inclined Plane #### Scenario Description: A block of mass \( m \) rests on a rough inclined plane. The task is to identify the correct free-body diagram for this situation. #### Diagram Explanation: - **Inclined Plane Diagram:** - The block is shown on an inclined plane with angle \( \theta \). - The forces acting on the block include gravitational force, normal force, and frictional force (due to roughness). - **Free-Body Diagrams:** - **Option 1:** - Normal force \( \mathbf{N} \) is perpendicular to the plane. - Frictional force \( \mathbf{f} \) is parallel to the plane, pointing up the incline. - Gravitational force \( m \mathbf{g} \) acts vertically downward. - **Option 2:** - Normal force \( \mathbf{N} \) is perpendicular to the plane. - Frictional force \( \mathbf{f} \) is parallel but misaligned (not on the incline). - Gravitational force \( m \mathbf{g} \) acts vertically downward. - **Option 3:** - Normal force \( \mathbf{N} \) is perpendicular to the plane. - Frictional force \( \mathbf{f} \) is parallel to the plane, pointing up the incline. - Gravitational force \( m \mathbf{g} \) acts vertically downward. - **Option 4 (Correct Answer):** - Normal force \( \mathbf{N} \) is perpendicular to the plane. - Frictional force \( \mathbf{f} \) is parallel to the plane, pointing up the incline. - Gravitational force \( m \mathbf{g} \) acts vertically downward. #### Answer Identification: The correct free-body diagram is the one labeled with a red X, showing the forces properly oriented with respect to the inclined plane: normal force perpendicular, frictional force parallel up the incline, and gravitational force vertically downward.
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