College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 2 - Multiple-Choice Questions: 7

Answer

(c) the force that a person exerts on a chair while sitting

Work Step by Step

The correct answer is: (c) the force that a person exerts on a chair while sitting Options (a) and (d) are gravitational forces, so they are long-range forces. The force that makes a compass point north is related to Earth's magnetic field which is a long-range force. The force that a person exerts on the chair is a contact force, so it is not a long-range force.
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