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Question
Where can a body execute the free vibrations?
Where can a body execute the free vibrations?
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Solution
- Definition of free vibration: Free vibration is a type of vibration in which a force is applied once and the structure or part is allowed to vibrate at its natural frequency.
- Free vibration occurs only in a vacuum because the presence of the air provides some resistance due to which the vibration amplitude does not remain constant and decreases continuously.
- Therefore, we define free vibration as the occasional vibration of a constant amplitude body where there is no external force on it.
- Hence, a body executes the free vibrations in a vacuum only.
- Definition of free vibration: Free vibration is a type of vibration in which a force is applied once and the structure or part is allowed to vibrate at its natural frequency.
- Free vibration occurs only in a vacuum because the presence of the air provides some resistance due to which the vibration amplitude does not remain constant and decreases continuously.
- Therefore, we define free vibration as the occasional vibration of a constant amplitude body where there is no external force on it.
- Hence, a body executes the free vibrations in a vacuum only.
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