You can find the center of gravity of a meter stick by

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Problem 3Q Chapter 9

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 3Q

You can find the center of gravity of a meter stick by resting it horizontally on your two index fingers, and then slowly drawing your fingers together. First the meter stick will slip on one finger, and then on the other, but eventually the fingers meet at the CG. Why does this work?

Step-by-Step Solution:

Step-by-step solution

Step 1 of 4 </p>

At first;   d1=d2   so  N1=N2

Step 2 of 4</p>

 We start to move our fingers.  lets think first left finger slides towards the center of mass.

Since  d1 ˂d2  , so  N1˃N2  . If N1 is bigger than N2 the friction force on the right finger is less then the friction force on the left.

Step 2 of 4</p>

Since  d1 ˃d2  , so  N1˂N2 ,  The reaction force N2 is bigger than N1.  Friction force on the left finger is less than the friction force on the right finger. When we try to approach our fingers to each other left finger moves and  right finger stops. Because of friction force.

Step 2 of 2

Chapter 9, Problem 3Q is Solved
Textbook: Physics: Principles with Applications
Edition: 6th
Author: Douglas C. Giancoli
ISBN: 9780130606204

This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6th. The full step-by-step solution to problem: 3Q from chapter: 9 was answered by Sieva Kozinsky, our top Physics solution expert on 03/03/17, 03:53PM. This full solution covers the following key subjects: fingers, stick, meter, meet, finger. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. The answer to “You can find the center of gravity of a meter stick by resting it horizontally on your two index fingers, and then slowly drawing your fingers together. First the meter stick will slip on one finger, and then on the other, but eventually the fingers meet at the CG. Why does this work?” is broken down into a number of easy to follow steps, and 53 words. Physics: Principles with Applications was written by Sieva Kozinsky and is associated to the ISBN: 9780130606204. Since the solution to 3Q from 9 chapter was answered, more than 269 students have viewed the full step-by-step answer.

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