University Physics with Modern Physics (14th Edition)

by Young, Hugh D.; Freedman, Roger A.

Published by Pearson

ISBN 10: 0321973615

ISBN 13: 978-0-32197-361-0

Chapter 1 - Units, Physical Quantities, and Vectors - Problems - Discussion Questions - Page 27: Q1.17

Answer

See work.

Work Step by Step

Vectors A and B must point in the same direction if the magnitude of their sum is the sum of their magnitudes, as in Figure 1.12A. If they sum to zero, then they have the same magnitude and their directions are exactly opposed.

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