Fundamentals of Physics Extended (10th Edition)

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

Chapter 4 - Motion in Two and Three Dimensions - Problems: 57c

Answer

Due North

Work Step by Step

Centripedal acceleration is always directed inwards from the outer edge of the circle towards the center (this is what keeps the object going in a circle). The radius vector always points from the center of the circle to the outer edge. Therefore, the two are antiparallel. When the acceleration is due south, the r is due north
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