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Physics Chapter 11

Oscillations and Waves

TermDefinition
simple harmonic oscillations occur when a mass only has a restoring force acting on it in a given direction
simple harmonic oscillator the mass and spring combination
amplitude A the maximum displacement from equilibrium
period T the time it takes to complete one cycle of motion
frequency f the number of cycles completed in one second
maximum speed occurs at the equilibrium points
maximum acceleration occurs at the end points
simple pendulum consists of a mass suspended at the end of an ideal string
critically damped no oscillations occur and the system quickly comes to rest
overdamped system has no oscillations but comes to rest more slowly than critically damped
underdamped system has oscillations which decrease in amplitude
force oscillation occurs when a force is applied at some frequency to an oscillating system
natural frequency f₀ the frequency at which the system oscillates without the force
resonance (max amplitude) occurs when frequency = natural frequency
Created by: imr36093
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