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

$2970$ 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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