Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 4 - Exercises and Problems - Page 68: 42


a) $F=726 \ N$ b) $F=726 \ N$ c) $F=726 \ N$ d) $F=852\ N$ e) $F=600\ N$

Work Step by Step

We use Newton's Second Law to find: a) $F=ma=(74)(9.81)=726 \ N$ b) $F=m(a+g)=(74)(9.81+0)=726 \ N$ c) $F=m(a+g)=(74)(0+9.81)=726 \ N$ d) $F=m(a+g)=(74)(9.81+1.7)=852\ N$ e) $F=m(a+g)=(74)(-1.7+9.81)=600\ N$
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.