Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson
ISBN 10: 0133942651
ISBN 13: 978-0-13394-265-1

Chapter 3 - Vectors and Coordinates Systems - Stop to Think 3.2 - Page 69: 1

Answer

Which figure shows 2A-B?

Work Step by Step

(a) First 2A means the lenght of the vector A is going to be doubled. Then, for -B, we flip the direction of the vector B. For the subtraction of the vector 2A by the vector B, we use the "tip-to-tail" method and simply put the tail of the vector B on the tip of the vector 2A. Then we connect the tail of 2A to the tip of B and we get the vector displayed on option (a).
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