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Water Pendulum

Purpose

To show the surface of a container of water in a swinging pendulum.

Equipment

Water container pendulum with colored water, stand.

Setup Time

10 min.

Images

f4-23

Description

A container with water is suspended as a pendulum. When the container is held to one side, the waterâ—™moves to its lowest point and the surface remains horizontal. When it is released and swings as a pendulum, the water spreads out uniformly on the bottom of the container and stays at rest at all times.