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# Lagrangian Dynamics

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A circle of radius R, oriented with the plane of the circle horizontal, is attached to a vertical axis at one point on the circumference of the circle. A bead, of mass m, is attached to the circle and is free to move around the circle, with no frictional losses.

The circle - bead system rotates about the axis at a constant angular speed of W; in the abscence of any external forces (no gravity) show that the "beads" motion about a point on the circle opposite the point of attachment to the axis is the same as a plane pendulum.

Use Lagrangeian dynamics to model the system.

(Note: response is a hand-written jpg file)

© BrainMass Inc. brainmass.com September 19, 2018, 11:32 am ad1c9bdddf - https://brainmass.com/physics/circular-motion/lagrangian-dynamics-100255

#### Solution Summary

The solution uses Lagrangian dynamics to produce a model of the system described.

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