WAVES AND OSCILLATIONS - WAVE MOTION - TRANSVERSE PULSES AND WAVES NC State University Faculty Access

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Hand Crank Wave Machine
# 3B10.51


Description:

An old crank style machine is useful for showing a sine wave. As the handle is turned, the fluorescent orange balls move up and down as a sine wave.

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With Marker



Purchased/Built: purchased

Quant. in Demo Room: 1

Demo References
Sutton S-27 The bottoms of a series of identical rods rest on a series of discs mounted eccentrically on a common shaft. The tops of the rods execute a wave when the shaft is rotated.
The Physics Teacher TPT 28(7),508 A cheap modern version of a nineteenth century wave machine with vertical rods driven from the bottom by an eccentric.

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