Earthquake Glossary - natural frequency

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  • natural frequency

    The natural frequency is the frequency at which a particular object or system vibrates when pushed by a single force or impulse, and not influenced by other external forces or by damping. If you hold a slinky by one end and let it hang down and then give it one push up from the bottom, the rate of up-and-down motion is its natural frequency.


    natural frequency

    (Image courtesy of Riverdeep)