Columbia University Physics Lecture Demonstrations


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3A20.2 Four Vibrating Masses

[Setup Time: 1 Min.] [Current Condition: Good]

Info

Show that the frequency depends on (k/m)^1/2. Four masses are held on separate flexible metal strips. The masses are: 1m,1m,4m,4m; the strips are 1k,4k,1k,4k. The first and last oscillators move at the same rate; the second one twice as fast, the third one twice as slow.

Parts List

Wooden Mount with 4 knobs in Oscillations

Relevant Simulation

Demo Example:

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