Hoop and Pen

From UO Physics Demonstration Catalog

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Hoop and Pen.gif
Hoop pen.JPG

Description:

Balance a pen on top of a hoop which sits on top of a narrow necked bottle. Quickly pull the hoop away and the pen will fall into the bottle. A variation of the table cloth and china trick, this is a much easier demo but take note, it does require a practiced hand.

Location:

  • Sh. A-3