Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 8 - 8.3 - Vectors in the Plane - 8.3 Exercises - Page 587: 89


$20.8 \ lb $

Work Step by Step

The sine of an angle is defined as force over weight. Thus, $ \sin \theta=\dfrac{force}{weight}$ This implies that $ \sin 12^{\circ}=\dfrac{F}{100}$ or, $F=100 \sin 12^{\circ} =20.8 \ lb $
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