How a damped oscillator is different from simple harmonic oscillator? When will be the motion of a damped oscillator termed as dead beat?
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Answer:
In simple harmonic motion there is no loss of energy so the amplitude remains as it is it just keeps kn moving to and fro without and bondage or loss if you just start a simple harmonic motion it will just keep on repeating itself until and unless a force opposing its motion is applied however there is no motion in the world that is perfectly simple harmonic because by any means there will be a loss of energy, various factors are responsible for it for example the opposing air resistive force etc. When you make a pendulum and make it swing it will perform damped oscillation in real and physical world due to air resistance it will suffer and a moment will come when it will stop oscillating further tht is dead beat, and in damped oscillation the energy keeps on getting lost and amplitude starts becoming smaller and smaller and ultimately vanishes.