Conceptual Physics (12th Edition)

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

Chapter 13 - Think and Explain: 97

Answer

A heavier paper clip pushes deeper and breaks through the film of water created by surface tension. This is similar to how a thin sheet or tissue can support a light object but not a large, heavy one.
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