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What is the acceleration of the block if the vice holds it in place? What is the minimum normal force each jaw of the vice must exert on the wood block to hold the block in place?

What is the acceleration of the block if the vice holds it in place? What is the minimum normal force each jaw of the vice must exert on the wood block to hold the block in place?

College Physics
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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What is the acceleration of the block if the vice holds it in place?

What is the minimum normal force each jaw of the vice must exert on the wood block to hold the block in place?

**Title:** Understanding Forces Acting on a Block in a Vise **Introduction:** A block of wood with a mass of \( m = 7.1 \, \text{kg} \) is held in a vise, sandwiched between two wooden jaws. A hammer blow drives a nail, exerting a force of \( 420 \, \text{N} \) on the wood. The coefficient of static friction between the wood surfaces is \( 0.71 \). **Questions & Options:** 1. **How many normal forces act on the block?** - Two, the vice touches the block on two surfaces. - One, the block only touches one other object (the vice). - Zero, the block does not touch the floor. - **Submit Answer** (Tries 0/5) 2. **In what direction is the normal force(s) acting on the block?** - Vertically in the downward direction. - Horizontally toward the block away from the vice. - There are no normal forces present. - Vertically in the upward direction. - Horizontally away from the block towards the vice. - **Submit Answer** (Tries 0/5) 3. **How many forces related to static friction are present?** - One, the vice is the only object touching the block. - Two, the vice has two surfaces in contact with the block. - None, the block does not touch the floor. - **Submit Answer** (Tries 0/5) 4. **In what direction is the static friction force(s) acting on the block?** - Vertically in the downward direction. - Horizontally toward the block. - Vertically in the upward direction. - Horizontally away from the block. - There are no static frictional forces present. - **Submit Answer** (Tries 0/5) **Explanation of Diagram (not shown):** - The diagram likely illustrates the block positioned between the jaws of the vise, with arrows indicating applied forces and directions of potential frictional forces. **Conclusion:** Consider each option carefully to determine how forces interact with the block. Understanding these concepts is crucial for applications involving physical interactions and mechanical stability.
Transcribed Image Text:**Title:** Understanding Forces Acting on a Block in a Vise **Introduction:** A block of wood with a mass of \( m = 7.1 \, \text{kg} \) is held in a vise, sandwiched between two wooden jaws. A hammer blow drives a nail, exerting a force of \( 420 \, \text{N} \) on the wood. The coefficient of static friction between the wood surfaces is \( 0.71 \). **Questions & Options:** 1. **How many normal forces act on the block?** - Two, the vice touches the block on two surfaces. - One, the block only touches one other object (the vice). - Zero, the block does not touch the floor. - **Submit Answer** (Tries 0/5) 2. **In what direction is the normal force(s) acting on the block?** - Vertically in the downward direction. - Horizontally toward the block away from the vice. - There are no normal forces present. - Vertically in the upward direction. - Horizontally away from the block towards the vice. - **Submit Answer** (Tries 0/5) 3. **How many forces related to static friction are present?** - One, the vice is the only object touching the block. - Two, the vice has two surfaces in contact with the block. - None, the block does not touch the floor. - **Submit Answer** (Tries 0/5) 4. **In what direction is the static friction force(s) acting on the block?** - Vertically in the downward direction. - Horizontally toward the block. - Vertically in the upward direction. - Horizontally away from the block. - There are no static frictional forces present. - **Submit Answer** (Tries 0/5) **Explanation of Diagram (not shown):** - The diagram likely illustrates the block positioned between the jaws of the vise, with arrows indicating applied forces and directions of potential frictional forces. **Conclusion:** Consider each option carefully to determine how forces interact with the block. Understanding these concepts is crucial for applications involving physical interactions and mechanical stability.
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