3A80.10 - Lissajous Sand Pendulum

Lissajous sand pendulum

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PIRA Classification: 3A80.10

Description: A pendulum bob consists of a funnel filled with fine sand. The hole is plugged with a ball and string. To make the figure, displace the bob, pull out the ball, and release.

Special Instructions: None

Condition: Ok

Setup time: 2 minutes

Safety Issues: None