Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 10 - Fluids - Problems: 11

Answer

a. $4.5 \times 10^5 N$ b. $4.5 \times 10^5 N$

Work Step by Step

a. The total force is atmospheric air pressure multiplied by the area of the table. $$F=PA=(1.013 \times 10^5 N/m^2)(1.7m)(2.6m)=4.5 \times 10^5 N$$ b. Assuming a very thin table, the atmospheric pressure is the same under the table. The answer is the same.
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