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 points.
SHM phase, position, velocity, and acceleration • For a given phase we can examine position, velocity, and acceleration. • SHM can occur with various phase angles.
Damped oscillations
Energy in SHM
Vibrating molecules Two atoms in a molecule can be considered as two balls on a spring.
Torsion Pendulum
Forced (driven) oscillations and resonance
Forced (driven) oscillations and resonance The Tacoma Narrows Bridge suffered spectacular structural failure after absorbing too much resonant energy
Waves
Transverse and longitudinal waves
Sinusoidal waves
Reflection and transmission
Superposition of waves (interference)
Diffraction of waves
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