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: 2b

Answer

Vector 7 represents F2.

Work Step by Step

F2=-1N(i)-2N(j) In F2, there is a force acting to the left, and a force acting down. The combination of forces acts in the 3rd Quadrant. The x and y components of F2 aren't equal so vector 8 can't represent F2. Vector 7, however, fits F2 perfectly.
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