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Falling Mass Attached to a Rigid Pulley


	A point mass is attached to a thin, dark, flexible lucite rod of length that can support both tension and compression. The rod is attached horizontally to the top of a rigid fixed disk of radius . The mass is released and allowed to move under the influence of gravity .


	Contributed by: Sarah Lichtblau

Developed from the teaching materials of Thomas Peacock and David Gossard for Course 2.003 in the Department of Mechanical Engineering at MIT.

The equation of motion of the mass is

Contributed by: Sarah Lichtblau

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