Conceptual Physics (12th Edition)

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

Chapter 5 - Think and Explain: 59


We assume that the balloonist started on the ground before climbing the supporting cable. To climb upward, the person initially pulls the rope downward. This increases the tension in the supporting rope, and the balloon momentarily jerks downward as the rope shortens.
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