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Applications of Simple Harmonic Motion

# Applications of Simple Harmonic Motion - Applications of...

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Applications of Simple Harmonic Motion Now that we have established the theory and equations behind harmonic motion, we will examine various physical situations in which objects move in simple harmonic motion. Previously, we worked with a mass-spring system , and will examine other harmonic oscillators in a similar manner. Finally, after establishing these applications, we can examine the similarity between simple harmonic motion and uniform circular motion. The Torsional Oscillator Consider a circular disk suspended from a wire fixed to a ceiling. If the disk is rotated, the wire will twist. When the disk is released, the twisted wire exerts a restoring force on the disk, causing it to rotate past its equilibrium point, twisting the wire the other direction, as shown below. This system is called a torsional oscillator. Figure %: A torsional oscillator. The point P oscillates between the lines Q and R with a maximum angular displacement of θ o .

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