Oscillations: a quick overview. SHO: a box (mass m ) on a spring - - PowerPoint PPT Presentation

oscillations a quick overview
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Oscillations: a quick overview. SHO: a box (mass m ) on a spring - - PowerPoint PPT Presentation

Oscillations: a quick overview. SHO: a box (mass m ) on a spring (constant k ) Watch variables change As the glider undergoes SHM, you can track changes in velocity and acceleration as the position changes between the classical turning


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Oscillations: a quick overview.

SHO: a box (mass m) on a spring (constant k)

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Watch variables change As the glider undergoes SHM, you can track changes in velocity and acceleration as the position changes between the classical turning points.

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SHM phase, position, velocity, and acceleration

  • SHM can occur with

various phase angles.

  • For a given phase we can examine

position, velocity, and acceleration.

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Damped oscillations

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Energy in SHM

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Vibrating molecules

Two atoms in a molecule can be considered as two balls on a spring.

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Torsion Pendulum

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Forced (driven) oscillations and resonance

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The Tacoma Narrows Bridge suffered spectacular structural failure after absorbing too much resonant energy

Forced (driven) oscillations and resonance

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Waves

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Transverse and longitudinal waves

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Sinusoidal waves

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Reflection and transmission

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Superposition of waves (interference)

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Diffraction of waves

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