Conceptual Physics (12th Edition)

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

Chapter 22 - Think and Discuss: 101

Answer

The charged plastic wrap is more effective with plastic food containers.

Work Step by Step

The wrap sticks for the same reason that a charged balloon sticks to a wall, because of induction and polarization. This is discussed on pages 416-417. The plastic bowl is polarizable, like the wooden wall shown in Figure 22.14.
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