tutorial_forced_harmonic_motion - Pretest: Forced harmonic...

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Pretest: Forced harmonic motion Name ©2008 Physics Department, Grand Valley State University, Allendale, MI. Consider two linear oscillators, A and B, that began to move prior to the instant t = 0. One oscillator (A) is an ideal (frictionless) simple harmonic oscillator with amplitude 0.50 m. Another oscillator (B) is identical to oscillator A except that it has a linear damping force and a sinusoidal driving force applied. The driving force has been adjusted to achieve resonance, so that at t = 0 a (resonant) steady-state amplitude of 0.50 m is achieved. A. Two position versus time graphs, each sinusoidal in form and with amplitude 0.50 m, are shown below. Graph 1 Graph 2 time position 0.5 m 1.0 m -1.0 m -0.5 m Which graph (1 or 2) represents which oscillator (A or B), or could each graph represent either oscillator? Explain your reasoning. If there is insufficient information to tell, state what additional information you would need. B. Recall that the driving force applied to oscillator B is adjusted so that resonance is achieved. As oscillator
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This note was uploaded on 12/07/2011 for the course PHYS 310 taught by Professor Jones,m during the Fall '08 term at Purdue.

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tutorial_forced_harmonic_motion - Pretest: Forced harmonic...

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