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Equilibrium of a Suspended Mobile

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A mobile consisting of connected weights and massless rods is shown. Each mass hanging from a lever arm produces a net torque that contributes to the equilibrium configuration of the system.

Contributed by: Enrique Zeleny (October 2010)
Open content licensed under CC BY-NC-SA

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The conditions of equilibrium are: for the sphere and the rest of the masses, , for the cone and the masses at the bottom, and the last, .

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