Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 8 - Think and Explain: 90

Answer

See diagram. The resultant (the diagonal of the parallelogram) points inward, and lies in the plane of the circle.
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Work Step by Step

The resultant, also known as the net force, is the required centripetal force needed to keep the bob moving in a circle.
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