Conceptual Physics (12th Edition)

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

Chapter 2 - Think and Discuss: 87

Answer

No, when you press downward, the force you feel does not depend on friction.

Work Step by Step

The normal force from the book on your hand would be the same regardless of the surface that the book rests on. As a side note, the force you feel from the book will be exactly the force that you are exerting on the book. The normal force is discussed on page 32.
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