A uniform, 255 N rod that is 1.80 m long carries a 225 N weight at its right end and an unknown weight W toward the left end . When W is placed 45.0 cm from the left end of the rod, the system just balances horizontally when the fulcrum is located 75.0 cm from the right end. A. Find W. B. If W is moved 30.0 cm to the right, how far must the fulcrum be moved to restore balance?

A uniform, 255 N rod that is 1.80 m long carries a 225 N weight at its right end and an unknown weight W toward the left end . When W is placed 45.0 cm from the left end of the rod, the system just balances horizontally when the fulcrum is located 75.0 cm from the right end. A. Find W. B. If W is moved 30.0 cm to the right, how far must the fulcrum be moved to restore balance?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter12: Rotation I: Kinematics And Dynamics

Section: Chapter Questions

Problem 79PQ

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