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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
Transcribed Image Text:**Understanding Forces Acting on a Block**
In this example, we examine a block subjected to various forces as depicted in the diagram.
**Diagram Explanation:**
The diagram shows a square block with four forces acting on it:
1. **F_norm (Normal Force):** Acts upward. This force is perpendicular to the surface on which the block rests.
2. **F_grav (Gravitational Force):** Acts downward. This force represents the weight of the block due to gravity.
3. **F_frict (Frictional Force):** Acts to the left. This force opposes the motion of the block.
4. **F_app (Applied Force):** Acts to the right. This force is exerted on the block to move it in a particular direction.
**Given Data:**
- \( F_{\text{norm}} = 84 \, \text{N} \)
- \( F_{\text{frict}} = 9.5 \, \text{N} \)
- \( F_{\text{app}} = 12.1 \, \text{N} \)
**Problem Statement:**
Find the acceleration of the block using the provided diagram and information.
**Solution Approach:**
1. Determine the net force acting in the horizontal direction (\( F_{\text{net}} = F_{\text{app}} - F_{\text{frict}} \)).
2. Use Newton's second law (\( F = m \cdot a \)) to solve for acceleration, where \( m \) is the mass of the block.
This exercise helps in understanding the balance and resultant of forces, and it introduces fundamental physics concepts such as calculating net force and acceleration.
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