Demonstrations

Central Forces - Centrifugal Flattening

Code Number :	1D52.10
Disclaimer:	Reprinted by permission of Dick Berg, University of Maryland, for use on this website. The demonstrations contained and referenced herein are listed for the purposes of cataloging and describing physics demonstrations which should be conducted only under the direction of a trained instructional support professional or physicist. These demonstrations are not presented for the purpose of being conducted by persons unconnected to this Facility and/or persons not consulting with or being supervised by the recognized instructional support professional or physicist and his/her staff. The University is responsible only for those demonstrations carried out using its own equipment using established safety and scheduling policies, and bears no responsibility for those choosing to use this source material for their own purposes. All demonstrations described and contained herein are public domain, and can also be found in reference materials in libraries, bookstores, and electronic sources. Further information regarding legal liability in use of demonstrations and labs will be found on the web site Injuries in School/College Laboratories in USA. The University of Iowa Disclaimers: U of Iowa Disclaimer All Rights Reserved.
Condition :	Fair
Principle :	Forces Due To Circular Motion
Area of Study :	Mechanics
Equipment :	'Egg beater' (large).
Procedure :	Spin the apparatus up to the desired speed, BUT DO NOT TRY TO STOP IT BY HOLDING ONTO THE HANDLE. Just let go of the handle and allow it to spin down. CAUTION: Keep your fingers and neckties out of the gear system.

References

David Heiden, "Homemade Spinner Demonstrates Formation of Solar System," TPT, Vol. 38, # 6, p. 378, (Sept. 2000).

Neil M. Shea, "Estimating the Power in the Tides," TPT, Vol. 25, # 7, p. 426, (October 1987).

Paul G. Hewitt, "No Agent", TPT, Vol. 19, # 1, Jan. 1981, p. 8.

Robert P. Bauman, "What is Centrifugal Force?", TPT, Vol. 18, # 7, Oct. 1980, p. 527.

J. W. Beams, " High Centrifugal Fields", TPT, Vol. 1, # 3, Sept. 1963, p. 103.

S- 370: "Rotating Straps," DICK and RAE Physics Demo Notebook.

1, "Bulging Ball," Janice VanCleave, Earth Science for Every Kid: 101 Easy Experiments That Really Work, p. 8.

121, Bulging Ball, Janice VanCleave's 200 Gooey, Slippery, Slimy, Weird, and Fun Experiments.

Brown, "Centrifugal and Centripetal Forces," 200 Illustrated Science Exp for Children, p. 43.

# 127, "Flatter," Janice VanCleave's 203 Icy, Freezing, Frosty, Cool, and Wild Experiments.

Mail Questions and Comments to: Dale Stille