University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 10 - Dynamics of Rotational Motion - Problems - Exercises - Page 331: 10.30


(a) $\tau = 519~N~m$ (b) $Work = 3260~J$

Work Step by Step

(a) $P = \tau ~\omega$ $\tau = \frac{P}{\omega}$ $\tau = \frac{(175~hp)(746~W/hp)}{(2400~rev/min)(1~min/60~s)(2\pi~rad/rev)}$ $\tau = 519~N~m$ (b) $Work = \tau~\theta$ $Work = (519~N~m)(2\pi~rad)$ $Work = 3260~J$
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