Conceptual Physics (12th Edition)

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

Chapter 14 - Think and Explain: 83

Answer

A Frisbee that is being lifted has its front edge tilted upward, producing an "angle of attack" (page 274). The air flowing over the top surface flows faster than it does underneath. The difference in pressures, explained by Bernoulli's principle, produces a net upward lift force.

Work Step by Step

This is discussed on page 274, and Figure 14.20 is especially helpful.
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