Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 7 - Section 7.6 - Vectors: The Dot Product - 7.6 Problem Set - Page 412: 38

Answer

$2970$ ft-lb

Work Step by Step

Work$=\textbf {F}\cdot\textbf {d}$ Work$= 45(70)+(-12)(15)$ Work$=3150-180$ Work$=2970$ ft-lb
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