Question

difference between free vibration and damped vibration

Answer 1

Differentiate between damped and forced vibration. ... Free vibrationoccurs when a mechanical system is set off with an initial input and then allowed to vibrate freely. Due to frictional resistance offered by surroundiongs these vibrations getdamped and are termed as damped vibrations.
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Answer 2

Both free and forced vibration represent the vibrating state of a body. Forced vibration as the name implies happens under the influence of some external force while free vibrations are natural manifestation of the vibrating state of that body. ... Undamped free vibration happens at the natural frequency of the body.