Free Fall Tube

By Olympia Sports


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A very ecconomical apparatus to demonstrate that light and heavy objects fall at the same rate / accelaration in a vacuum. Apparatus consists of a 36_x001d_(910mm) long x 2.25_x001d_(55mm) diameter, transparent tube with a stopcock mounted in a rubber stopper on one end, and a solid rubber stopper on the other end. Supplied complete with a 13_x001d_ long vinyl tubing for connection to a vacuum pump (not supplied), a metal disc and a feather.

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