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Impulse Acting on a Pendulum

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This pendulum consists of a rod of mass and length with an attached disk of mass and radius . At time , an impulse acts on the disk and causes the pendulum to be instantly set in motion. The pendulum is subject to the force of gravity .

Contributed by: Sarah Lichtblau (March 2011)
Open content licensed under CC BY-NC-SA

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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 is .

The initial angular velocity is .

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