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Free Fall Tube


An economical version of a classic device! It demonstrates that all objects experience the same gravitational accelleration 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 4.5 cm in diameter, with rubber end caps and hose cock for connection to any standard vacuum pump (not included.) Dimensions: 40" x 3" x 3"

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  • Model: FFT001
  • Shipping Weight: 1.6lbs

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