Lecture Demonstrations Laboratory

The Demonstrations Manual

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Harmonic Motion: Pendula, Spring and Simple; Pendula, Conical and Torsional; Pendula, Physical (Sweet Spot); Projected Uniform Circular Motion; Damped Mass on Spring; Forced Oscillations; Hacksaw Blade Resonance; Resonance Wire Ring; Inverted Pendulum; Coupled Oscillators; Coupled Magnetic Oscillations; Lissajous Figures on the Scope; Lissajous Fifures with Laser; Parametric Amp
Waves
Acoustics
Instruments

Pendula, Spring and Simple

Procedure:

Calculate k (from F = kx) for spring. Make appropriate measurements, then calculate T values. Verify by timing 10 oscillations. Different masses can be used on both the spring and simple pendula and differences noted.

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Equipment:

Meter Stick
Bob on 2 ft. fishing line
Spring
Stand
Support Rod
Weights