What is Damped Harmonic Oscillation?

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Discussion Overview

The discussion revolves around the concept of damped harmonic oscillation and its distinction from simple harmonic oscillation. Participants explore theoretical aspects, practical experimentation, and the effects of damping forces.

Discussion Character

  • Exploratory
  • Technical explanation
  • Experimental/applied

Main Points Raised

  • Some participants express confusion regarding the differences between damped harmonic oscillation and simple harmonic oscillation, seeking clarification.
  • One participant notes that a simple harmonic oscillator is defined by the presence of only a restoring force, while a damped harmonic oscillator includes an additional damping or frictional force.
  • There is a suggestion that in damped harmonic oscillation, the oscillation will eventually cease due to friction, although this is noted as a theoretical perspective.
  • Another participant introduces the concept of a driven, damped oscillator, which includes an external periodic force that may affect the oscillation behavior.
  • A participant shares their experience with an experiment involving minimal friction and queries about the use of magnets in their setup.
  • In response, another participant explains that magnets can create a damping force through induced currents in nearby conductors, which oppose the motion of the original magnet.

Areas of Agreement / Disagreement

Participants generally agree on the basic definitions and concepts of damped versus simple harmonic oscillation, but there are varying levels of understanding and application, particularly regarding experimental setups and the role of damping forces.

Contextual Notes

Some assumptions about the nature of damping forces and their effects on oscillation are present, but these are not fully resolved within the discussion. The specifics of the experimental apparatus and the conditions under which the damping occurs are also not detailed.

Who May Find This Useful

This discussion may be useful for students and educators in physics, particularly those interested in oscillatory motion, damping effects, and experimental physics involving harmonic oscillators.

-EquinoX-
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I am not sure that I understand what damped harmonic oscillation is different from simple harmonic oscillation, can someone please explain that to me? I read wikipedia and still doesn't get it...
 
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-EquinoX- said:
I am not sure that I understand what damped harmonic oscillation is different from simple harmonic oscillation, can someone please explain that to me? I read wikipedia and still doesn't get it...
An simple harmonic oscillator is a harmonic oscillator where the only force acting on it is the restoring force. A damped harmonic oscillator on the other hand, has an additional damping or frictional force, such as drag, acting on it.
 
so therefore in a damped harmonic oscillation the oscillation will eventually stop because of the friction? in theory...
 
-EquinoX- said:
so therefore in a damped harmonic oscillation the oscillation will eventually stop because of the friction? in theory...
Eventually, yes. Unless of course it is a driven, damped oscillator, that is the case when there is some external periodic force applied.
 
hmm..well I am actually doing this experiment and I can get the friction of the oscilattion really2 small.. however my TA's said to put magnets on top of the oscillation object, do you know why?
 
-EquinoX- said:
hmm..well I am actually doing this experiment and I can get the friction of the oscilattion really2 small.. however my TA's said to put magnets on top of the oscillation object, do you know why?
Perhaps if you described the apparatus, I could be of more help.
 
well I am using an air tracks and on top of it I have a glider. It says that magnets are use to create the damping force . A moving magnet creates an induced current in nearby conductors, in this case the air track. This induced current creates a magnetic field that opposes the motion of the original magnet.
 

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