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There are very large numbers of charged particles in most objects. Why, then, don't most

College Physics for AP® Courses | 1st Edition | ISBN: 9781938168932 | Authors: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram ISBN: 9781938168932 372

Solution for problem 1 Chapter 18

College Physics for AP® Courses | 1st Edition

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College Physics for AP® Courses | 1st Edition | ISBN: 9781938168932 | Authors: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram

College Physics for AP® Courses | 1st Edition

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Problem 1

There are very large numbers of charged particles in most objects. Why, then, don't most objects exhibit static electricity?

Step-by-Step Solution:
Step 1 of 3

Like charged Styrofoamcups, barmagnets exertforces on one another, as if they possessedinvisible hands that reach across empty space to push and twist. They also exert torques on one another. You may recall from mechanics thatwhen two bodies bumpintoeach other, theyexert equal and opposite contact forces on one another If the forceis directed through the centerof mass of the body then thereis no torque. If theforce is “oblique”itexerts atorque where is the “lever”, the distance between the centerof mass and the point of application of the force, and is the component of the force perpendicularto the lever. We can demonstrate that two barmagnets exert “body centered”forces as well as torques. In this case, the forces and torques are not the result of contact forces, ratherof invisible forces. A charged cup haselectriccharge , and this charge creates aninvisible electricfield in space all around the cup. The electricfield exerts forces on othercharged cups. Similarly, we saythatabar magnethas akind of “magneticcharge”, called the magneticdipole moment . The dipole creates an invisible magneticfield all around the magnet. The field exerts forces and torques on other magnets, and as you will see,it also exerts forces on moving charges! Like the barmagnet, the Earth has a magneticdipole and a magneticfield, and this field exerts atorque on the needle of compass; the needleis tiny bar magnet. An electron has amagneticdipole and amagneticfield. Early experimentersfound that aloop of wire carrying an electriccurrent has amagneticdipole and a magneticfield. It

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Chapter 18, Problem 1 is Solved
Step 3 of 3

Textbook: College Physics for AP® Courses
Edition: 1
Author: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram
ISBN: 9781938168932

Since the solution to 1 from 18 chapter was answered, more than 370 students have viewed the full step-by-step answer. College Physics for AP® Courses was written by and is associated to the ISBN: 9781938168932. The full step-by-step solution to problem: 1 from chapter: 18 was answered by , our top Physics solution expert on 03/09/18, 08:07PM. This textbook survival guide was created for the textbook: College Physics for AP® Courses, edition: 1. This full solution covers the following key subjects: . This expansive textbook survival guide covers 34 chapters, and 2282 solutions. The answer to “There are very large numbers of charged particles in most objects. Why, then, don't most objects exhibit static electricity?” is broken down into a number of easy to follow steps, and 19 words.

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There are very large numbers of charged particles in most objects. Why, then, don't most