Abstract
Theoretical analysis of the ‘simple’ pendulum beyond the small-angle approximation teaches us about anharmonic oscillators and approximate (perturbative) solutions. Experiments with a simple-to-set-up pendulum teach us about errors in measurements, and curve fitting of theoretical expressions to experimental data. The pendulum also exhibits frictional damping, a feature of most real oscillators.
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V V Migulin, V Medvedev, E Mustel, and V Parygn, Basic Theory of Oscillations, Mir Publishers, Moscow, 1983.
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Kaumudi, H.P., Natarajan, V. The simple pendulum: Not so simple after all!. Reson 14, 357–366 (2009). https://doi.org/10.1007/s12045-009-0036-2
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DOI: https://doi.org/10.1007/s12045-009-0036-2