Demos: 1S-37 Torsion Pendulum

This device allows you to show free and forced low frequency rotational oscillations. There is an eddy-current brake which allows you to dampen the oscillations. The forced oscillations are caused by an electric motor that drives an exciter which is linked to a coiled spring. Voltage of the power supply is proportional to the motor speed which drives the pendulum. Chaotic oscillations can also be observed. This can be done by attaching 10 g or 20 g weights to the pendulum body which alters the restoring moment of the torsion pendulum.

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Last Updated: May 9, 2016 11:44 AM