Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 5 - Newton's Laws of Motion - Conceptual Questions - Page 139: 18


This conclusion doesn't prove that there are no forces acting on the car.

Work Step by Step

For an object to remain stationary and undergo no accelerations, the net force $F_{net}$ must be zero. Therefore, if all of the forces add up to zero, the object will still remain stationary. This means that there can still be forces acting on the car, but they can all cancel out to cause a zero net force.
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