Computerized physical pendulum for classroom demonstrations

Yaakov Kraftmakher

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


An inexpensive driven physical pendulum is described for classroom demonstrations, which clearly shows free and forced oscillations, as well as the transient process leading to the steady-state regime of forced oscillations. An advantage of this pendulum is that it is possible to control the decay constant by the use of magnetic braking. A data-acquisition system1 collects the data and displays the oscillations on a computer screen.

Original languageEnglish
Pages (from-to)244-246
Number of pages3
JournalPhysics Teacher
Issue number4
StatePublished - Apr 2005

Bibliographical note

Publisher Copyright:
© 2005 American Association of Physics Teachers.


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