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11.9 Exercise 18

Avg difficulty 2.5

You are pumping up a bicycle tire with a hand pump, the piston of which has a 2.00-cm radius.

(a) What force in newtons must you exert to create a pressure of 6.90×105Pa6 . \text{90} \times \text{10}^{5} \text{Pa} (b) What is unreasonable about this (a) result? (c) Which premises are unreasonable or inconsistent?

OpenStax College Physics 2e, 11.9 Pressures in the Body, exercise 18

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.