Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 28 - Think and Rank: 44

Answer

Greatest amount of bending to least: B, C, A.

Work Step by Step

According to Snell's Law (page 526), the amount of bending is greatest when the speed change is the greatest. Rolling from a concrete sidewalk onto a grass lawn (case B) changes the cart's speed the most, and rolling from a concrete sidewalk onto a paved driveway (case A) changes the cart's speed the least.
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