Squeaking Physics

Hello Squeakers,

 

I have been using Squeak for about a year now with my physics classes. We are currently engaged in a project unit with the common thread being simple harmonic motion. We started with a mass on a spring system. (See attached.) Our next activity involves making a simple three string bleach bottle banjo with a simple electric pickup system. Finally we will be making a simple LC circuit filter to remove some of the signal transduced by the pickup system. We have been attempting to model all of our exploits in Squeak.

 

Does anyone have a suggestion of how to model a sound generated by tightening or loosening a banjo string so that the sound produced is over a continuous range of frequency?

 

I have attached my previous mass on a spring model tutorial for anyone who is interested.

 

Sincerely,

Eric Eisaman

 

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