Zero-Torque Gyroscope

Purpose

To demonstrate that the axis of rotation does not change when the net gravitational torque on the gyroscope is◙zero.◙

Equipment

Gyroscope, stand and collar.

Images

d4-09`

Description

The gyroscope will rest on the recessed end of the stand even when it is not spinning, because there is no net gravitational torque. To start it spinning, with one hand hold the collar near the end of the long rod, and twirl the rod with the other hand.

References

(PIRA unavailable.)