Essential University Physics: Volume 1 (4th Edition)

Published by Pearson
ISBN 10: 0-134-98855-8
ISBN 13: 978-0-13498-855-9

Chapter 4 - Section 4.5 - Using Newton’s Second Law - Got It? - Page 64: 4.4


1. a) 2. b) 3. b) 4. a) 5. c)

Work Step by Step

When the acceleration is upward, as is the case with case 1 and 4, the elevator cable tension will be greater than its weight. When the acceleration is downward, as is the case with case 2 and 3, the elevator cable tension will be less than its weight. If the speed is constant like is the case in case 5, the elevator tension equals the elevator weight.
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