Amplitude - The maximum displacement from the equilibrium, Period - The time for one complete cycle of oscillation, Frequency - The number of complete oscillations per second, Phase - the measure of the position of an oscillator within its cycle., 2π radian - 1 whole cycle, Free Oscillations - when the amplitude of the oscillation remains constant and there are no frictional forces., displacement - The acceleration is in the opposite direction to the, directly proportional - The acceleration is _________ ______ to the displacement, 90 degrees - phase difference between displacement and velocity, 180 degrees - phase difference between displacement and acceleration, forced oscillation - oscillator is acted on by a periodic external force, Resonance - when frequency of applied force = natural frequency, when vibrations of large amplitude produced, Damping - force opposes motion, is in the opposite direction to the velocity. - damping force acting on a vibrating system, GPE -> Ke -> GPE - Energy changes for pendulum, EPE -> Ke -> EPE - Energy changes for horizontal mass on spring, GPE -> KE -> EPE -> Ke - Energy changes for vertical mass on spring, Twice - The frequency of energy exchange is _____ the frequency of the oscillator, Exponentially - Damping reduces the amplitude of oscillations, Bartons Pendulum - An example of resonance ,

Simple Harmonic Motion

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