5A20.10 - Rods and Pivot

Rods and pivot

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PIRA Classification: 5A20.10

Description: A PVC rod is rubbed with black cloth to produce a negative charge. A second PVC rod is placed on a platform which rotates freeley. When the charged rod is brought near the pivot, the rods repel. Can also be done with acrylic rods.

Special Instructions: Make sure you hear the build up of charge on the rod. This will be indicated by a crackling noise. Will not work well when humid (beginning of fall semester or summer session).

Condition: Good

Setup time: 1 minute

Safety Issues: None