Info

A rider on the air track is driven sinusoidally but the restoring force (rubber bands) does not quite obey Hooke's law. This yields Duffing's equation rather than the familiar linear oscillator equation. The system exhibits jumps between high and low amplitude when crossing over the resonance.

Parts List

Pasco Air Track

Rider

Rubber Band

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Section of Metal Rack

Rotating Circle Device

Driver Bar

Clamps

Relevant Simulation

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Other Information

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Real-Life Examples

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More Advanced Reading

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