Andre' Oorebeek said/asked: "OK, In our work shop we have this tuning fork mounted on a mini soundboard. If you just strike the tuning fork with 'something' you will hear it vibrate, but actually not very much. If however you put the mini sound board under pressure by bending it with your muscle power, the tone increases and becomes noticeably louder. In other words : if you apply pressure on the soundboard by bending it, the tuning fork vibrations get louder. Why? friendly greetings from André Oorebeek Please refer to my previous post. In two words: Latent Energy Joe Garrett, RPT, (Oregon) Captain, Tool Police Squares Are I
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