Voir la source de Standing waves in a string

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Back to [[3B_-_Wave_motion|3D - Wave motion]]<br>
PIRA index: 3B22.10

==Description==
An allen key, attached to a handheld drill, rotates a string attached to a ball bearing to simulate a string vibrator. Standing waves appear in the string according to the frequency of oscillation (rotation speed of allen key) and the tension in the string.

==Equipment==
*cordless drill
*allen key and ball bearing attached by string

==Instructions==
Fix the ball bearing piece to a table. Extend the string and insert the allen key into the drill. Operate the drill to vibrate the string. The number of nodes and anti-nodes will is dependent on the speed of the drill as well as the tension in the string.

==Keywords==
standing wave, drill, motor, allen key, rotation, node, anti-node

==Images & Movies==
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File:3B22.10_1.JPG|Figure1
File:3B22.10_2.JPG|Figure2
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