On a guitar (and stringed instruments in general) both ends of the string are fixed - they can move. One end is usually fixed by a peg board at the base of the guitar while the other is fixed either by the tuning peg or by your figner pressing the string against a fret. When you pluck or strum the string, you displace the string in a direction perpendicular to the way it runs along eh guitar. Since the ends of the string can’t move, the only wave that can be supported is a standing wave.
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1 nyphdinmd // Oct 6, 2008
On a guitar (and stringed instruments in general) both ends of the string are fixed - they can move. One end is usually fixed by a peg board at the base of the guitar while the other is fixed either by the tuning peg or by your figner pressing the string against a fret. When you pluck or strum the string, you displace the string in a direction perpendicular to the way it runs along eh guitar. Since the ends of the string can’t move, the only wave that can be supported is a standing wave.