Free Fall Tube

An economical version of a classic device! It demonstrates that all objects experience the same gravitational acceleration and fall at the same speed in a vacuum, but in air the air resistance slows down some objects more than others. Features a disc and a feather in a tough, clear, plastic tube, 90cm long and 4.5cm diameter, with rubber end caps and hose cock for connection to any standard vacuum pump (not included.)

Dimensions: 40" x 3" x 3".

Includes an activity guide.

 
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26584
Free Fall Tube
Status $49.00