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The experiment investigated three types of oscillations: 1) Simple harmonic oscillation of a spring with natural frequency of 2.15 Hz. 2) Damped harmonic oscillation of the spring with damping ratios measured under different resistive forces. 3) Forced oscillation showing resonance at the natural frequency, with maximum amplitude of 99 mm. Beat phenomena was observed when the driving frequency was slightly less than the natural frequency.

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