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Fascinating Finger Balance—Demonstration Kit

By: The Flinn Staff

Item #: AP6640

Price: $14.50

Fascinating Finger Balance Demonstration Kit for physical science and physics is a simple and seemingly paradoxical device that demonstrates the center of gravity.

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Product Details

Here’s a paradox—a device that remains balanced when a heavy plastic tube dangles from one end while being supported at the opposite end by a single fingertip. Remove the tube and the device falls. How can this be? It’s center of gravity! This simple device will be a real show-stopper as you introduce your students to the concept of center of gravity. Includes demonstration instructions.

Concepts: Center of gravity, balance, stability.
Time Required: 15 minutes
Materials Provided: Acrylic finger balance, plastic tubing.
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