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Videos tagged with roller (1)

MIT Physics Demo -- Pendulum and Ma...

MIT Department of Physics Technical Services Group

Added over 7 years ago | 00:01:11 | 42988 views

A solid copper pendulum is mounted between the poles of an electromagnet (solenoid). The pendulum is set into motion, and then the magnets are turned on. The magnets induce eddy currents in the copper which oppose the motion of the pe...