Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 7 - For Thought and Discussion - Page 125: 1


The answer is below.

Work Step by Step

Figure a is conservative, for the length and the direction of the arrows is not changing. Figure b is a non-conservative field. While Vector Calculus helps to understand exactly why this is non-conservative, a simple explanation would be that the arrows are changing in magnitude.
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