Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson
ISBN 10: 0133942651
ISBN 13: 978-0-13394-265-1

Chapter 22 - Electric Charges and Forces - Stop to Think 22.4 - Page 616: 1


b. $\vec{F}_{A}$ $_{on}$ $_B = \vec{F}_{B}$ $_{on}$ $_A$

Work Step by Step

Recall that the equation for electric force is $\displaystyle \vec{F}_E = \frac{1}{4\pi\epsilon_0}\frac{q_1q_2}{r^2}$ In this equation, both of the charges are used to calculate the electron force on one another. Thus, the forces the two charges exert on each other are equal. Option b. is correct.
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