Engineering Mechanics: Statics & Dynamics (14th Edition)

Published by Pearson
ISBN 10: 0133915425
ISBN 13: 978-0-13391-542-6

Chapter 2 - Force Vectors - Section 2.3 - Vector Addition of Forces - Problems: 23

Answer

$\theta=75.5^{\circ }$

Work Step by Step

$c=\sqrt{a^2+b^2-2*a*b*\cos(C)}$ $800=\sqrt{400^2+600^2-2*400*600*\cos(180^{\circ }-\theta}$ $\theta=75.5^{\circ }$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.