Why the amplitude is only approximately greatest for resonance?

Subject: Why the amplitude is only approximately greatest for resonance?

Date: Mon Feb 8 01:18:04 2010
Posted by Angel
Grade level: 10-12 School: No school entered.
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Area of science: Physics
ID: 1265617084.Ph

Message:


For resonance, the velocity amplitude is greatest when the driving frequency 
is the same as the natural frequency. But the displacement amplitude of the 
system is just approximately greatest under the same condition. Why? Actually, 
what is the logic behind amplitude is in maximum when the driving frequency is 
the same as the natural one?

Re: Why the amplitude is only approximately greatest for resonance?

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