Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 8 - Potential Energy and Conservation of Energy - Questions: 4b

Answer

The block will change directions and travel back to the starting position. It will then fall back down and repeat the trip endlessly.

Work Step by Step

Because their is no friction, there is no force that is taking mechanical energy away. If there is no change in total mechanical energy, the block has the ability to repeat the same trip forever.
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