Conceptual Physics (12th Edition)

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

Chapter 8 - Think and Solve: 47

Answer

Torque = (force)(lever arm). A longer lever arm means more torque. At the 75-cm mark, the torque is $\frac{75 cm}{50 cm}$ = 1.5 times as much as it was originally. At the 100-cm mark, the torque is $\frac{100 cm}{50 cm}$ = 2 times as much as it was originally.
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