Acoustic guitar

                                              

The acoustic, the most played stringed instrument unlike the piano with many strings it comprises of a wooden head, a  (plastic/wooden) body which comprises of a sound board and a sound box to amplify the vibrations of the string. It’s made in a key-like manner
The major source of sound in the acoustic guitar is the string, which when plucked with the fingers/plectrum produces a vibration at a fundamental frequency but also creates many harmonical sounds at different frequencies. The sounds and frequencies produced depend on the string length, mass, and tension. Each string produces different vibration which the soundboard and sound box amplifies to give different harmonics at different resonances.

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