1G20.21 - Cartesian Diver Drop

Code Number:
1G20.21
Demo Title:
Cartesian Diver Drop
Equipment:
Cartesian Diver, Catch Box with Foam Insert.
Procedure:

Squeeze the Cartesian diver bottle so the the diver sinks to the bottom.  Drop the bottle so that it lands into the catch box.  Note that during freefall, the diver stays at the bottom of the bottle.  

References:
  • Josip Slisko, "A New Role for the Cartesian Diver:  Showing Free-Fall Weightlessness", TPT, Vol. 58, #6, Sept. 2020, p. 446.
  • Jasmina Balukovic, Josip Slisko, and Adrián Corona Cruz, "A Demonstration of 'Weightlessness' with 1-kg Mass and Balloon", TPT, Vol. 53, #7, Oct. 2015, p. 440.
  • William A. (Toby) Dittrich, "Drop Tower Physics", TPT, Vol. 52, #7, Oct. 2014, p. 415.
  • Trevor C. Lipscombe, Carl E. Mungan, "The Physics of Shot Towers", TPT, Vol. 50, # 4, Apr. 2012, p. 218.
  • Tik L. Liem, "The Weightless Nail", Invitations to Science Inquiry - Supplement to 1st and 2nd Ed. p. 143.


Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.