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Resonance with Tuning Forks



Two identical wooden boxes, open at one end, have identical tuning forks attached at the center of the top of the box. When the tuning fork is struck, the sound is amplified by the resonance occurring in the box. When one box is placed such that its opening is a few centimeters from the otherโ€™s opening, striking one tuning fork sets up a sympathetic vibration in the other.
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31 Comments

  1. is that like quantum entanglent through vibrations, so its not like the atom telwported but its vibrating at exactly the correct frequency that another one also appears, that we didnt see before until we saw the results of the vibrations of those atoms at those frequencies.

  2. But can you extract useable piezoelectricity from the 2nd tuning fork and if so, why not multiple tuning forks in endless arrays by banging on key equidistant tuning forks simultaneously? How many resonantly-tuned forks could sympathetically vibrate for any useful purposes besides taking down a bridge or building or the walls of Jericho?

  3. I believe there's a flaw in your explanation.

    It's not that the box vibrates and therefore the tuning fork matched to the other one starts vibrating. It's the other way around. Because of resonance the matched tuning fork starts vibrating and therefore the box on which it's fixed, starts vibrating too.

  4. This also works with voltage and inductors with electricity. You can change DC to AC. Also, like a guitar string, has a resident frequency at a certain fret on a guitar.

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