Demonstrating transverse wave motion

Demonstrations of transverse wave motion can be performed very cheaply with a small DC motor driven by AC. The armature oscillates at the frequency of the AC, causing waves on a string tied to a short screw in a pulley on the motor spindle. This device was used for workshops at IOP conferences in Wa...

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Bibliographic Details
Published inPhysics education Vol. 48; no. 6; pp. 711 - 712
Main Author Lane, Frank
Format Journal Article
LanguageEnglish
Published Brecon IOP Publishing 01.11.2013
Subjects
A C motors
Conferences
Education
Electric motors
Motors
Strings
Transverse waves
Waves
Workshops
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Summary:Demonstrations of transverse wave motion can be performed very cheaply with a small DC motor driven by AC. The armature oscillates at the frequency of the AC, causing waves on a string tied to a short screw in a pulley on the motor spindle. This device was used for workshops at IOP conferences in Wales this year. It costs L1.40 (UK pounds) per set and takes 30 min to construct.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0031-9120
1361-6552
DOI:10.1088/0031-9120/48/6/F05