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Penny on the Coat Hanger
Description: This is another demonstration of central forces. The pail of water/pail of nails is easier to master (see number 1D50.40)
Instructions: Balance a coin on the coat hanger as shown. Place the coat hanger on a finger and twirl. With care, the penny will remained balanced upon stopping. This takes some practice.
The demoroom staff recommends 1D50.40
Hazards: Embarrassment and/or frustration without practice!
Parts: One coat hanger
Quant. in Demo Room: 1
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