Torsion Pendulum



content.gif (1503 bytes)
 Code Number :   3A10.30  

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:  University of Iowa Disclaimer All Rights Reserved..

Condition :   Excellent  
Principle :   Potential to Kinetic Energy, Simple Harmonic Motion  
Area of Study :  Acoustics 
Equipment :   Torsion Pendulum  
Procedure :   Stretch the pendulum so that the wire is very tight.  The different mass balls may be used to vary the pendulum period.   
conbot.gif (53 bytes)


   References

James O' Connell, "Magnetic Torsion Pendulum", TPT, Vol.  38, # 6, Sept. 2000, p. 377. 

 

Richard E. Berg and Todd S. Marshall, "Wilberforce Pendulum Oscillations and Normal Modes", AJP, 59, (1), Jan. 1991, p. 32.

H. M. Simpson and B. E. Fortner,  "The Dynamic Shear Modulus and Internal Friction of a Fiber Vibrating in the Torsional Mode,"  AJP, Vol. 55, No. 1, (January 1987).

 

Mz-1, 2:  Freier and Anderson,  A Demonstration Handbook For Physics.

 

M - 904:  "Pendula - Torsion & Physical,"  DICK and RAE Demo Notebook.

 

M-167:  Richard Manliffe Sutton, Demonstration Experiments in Physics.

 

Philip F. Schewe, "Newton's Second Law of Motion," Physics Today, June 2007, p. 28.



Mail Questions and Comments to:  Dale Stille