Answer #136

The answer is: (b) pendulum with no magnetic field, (a) pendulum in magnet, and (c) pendulum at LN temperature in magnet.

Click on the following for mpeg videos of:

• pendulum swinging with no magnetic field.
• pendulum swinging through magnetic field.
• pendulum cooled in liquid nitrogen swinging through magnet.

  Question of the week #137 is another question involving this experiment.

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