Physics: Principles with Applications (7th Edition)

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

Chapter 4 - Dynamics: Newton's Laws of Motion - Problems - Page 103: 38

Answer

The coefficient of static friction must be at least 0.20.

Work Step by Step

The force of static friction between your feet and the floor will provide the force to accelerate you at a rate of 0.20g. Therefore, $F_f = ma$ $mg\mu_s = ma$ $\mu_s = \frac{0.20g}{g}$ $\mu_s = 0.20$ The coefficient of static friction must be at least 0.20.
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