College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 15 - Electric Charge, Forces, and Fields - Learning Path Questions and Exercises - Multiple Choice Questions - Page 554: 7


(a) decreases

Work Step by Step

Magnitude of force between 2 point charges by Coulomb's law is :- $F=k\frac{q_{1}q_{2}}{r^{2}}$ notations having usual meanings. When the distance, increases (r), the force decreases. So, (a) is the answer.
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