in forced oscillation a force of of 50 n and frequency 6/pie hz is applied to the oscillator having mass of 4 kg .if the angular frequency of the natural oscillation of the system is 13 rad per second , the amplitude of the oscillation is ?
Answers
Answer:
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Explanation:
Sit in front of a piano sometime and sing a loud brief note at it with the dampers off its strings ((Figure)). It will sing the same note back at you—the strings, having the same frequencies as your voice, are resonating in response to the forces from the sound waves that you sent to them. This is a good example of the fact that objects—in this case, piano strings—can be forced to oscillate, and oscillate most easily at their natural frequency. In this section, we briefly explore applying a periodic driving force acting on a simple harmonic oscillator. The driving force puts energy into the system at a certain frequency, not necessarily the same as the natural frequency of the system. Recall that the natural frequency is the frequency at which a system would oscillate if there were no driving and no damping force.