Alex (31 kg) and Cassie (20 kg) sit on a 9 metre-long see- saw at the local park. The pivot of the see-saw is in the middle of its length. If Cassie sits at one end of the see- saw, where relative to the other end must Alex sit so the net torque is balanced? (Units: metres)

Alex (31 kg) and Cassie (20 kg) sit on a 9 metre-long see- saw at the local park. The pivot of the see-saw is in the middle of its length. If Cassie sits at one end of the see- saw, where relative to the other end must Alex sit so the net torque is balanced? (Units: metres)

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter11: Angular Momentum

Section: Chapter Questions

Problem 66P: A baseball catcher extends his arm straight up to catch a fast ball with a speed of 40 m/s. The...

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Question

Alex (31 kg) and Cassie (20 kg) sit on a 9 metre-long see-
saw at the local park. The pivot of the see-saw is in the
middle of its length. If Cassie sits at one end of the see-
saw, where relative to the other end must Alex sit so the
net torque is balanced? (Units: metres)

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