Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 5 - Force and Motion-I - Questions - Page 115: 2a

Answer

Vector 6 represents F1.

Work Step by Step

F1=(3N)i-(4N) This means that there is a force of 3N pulling to the right, and a force of 4N pulling down. This combination of forces acts to the bottom right (4th Quadrant). Vector 5 is a force with equal x and y component magnitudes, so it can't be F1. The only other vector left is vector 6, which fits F1 perfectly.
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