College Physics (7th Edition)

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

Chapter 7 - Circular Motion and Gravitation - Learning Path Questions and Exercises - Conceptual Questions - Page 259: 11

Answer

Newton's first law states that a body will continue to be in its state of rest or motion until an external unbalanced force acts on it. Here the car is changing its velocity continuously. So, it is changing its state of motion continuously. Hence a force must be acting on it. The car is a non-inertial frame as it is accelerating continuously.

Work Step by Step

Newton's first law states that a body will continue to be in its state of rest or motion until an external unbalanced force acts on it. Here the car is changing its velocity continuously. So, it is changing its state of motion continuously. Hence a force must be acting on it. The car is a non-inertial frame as it is accelerating continuously.
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