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