WAVES AND OSCILLATIONS - INSTRUMENTS - RESONANCE IN PLATES, BARS, SOLI	NC State University Faculty Access
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Description: A long aluminum rod will sing when it is stroked along its length supported at its center. Rub the rod with wax paper prior to use. Hold the rod in the hand between the thumb and forefinger. Also try holding the rod at a point 1/4, 1/6 or 1/8 of its length to excite higher Purchased/Built: built Setup Time: none Quant. in Demo Room: 1 Demo References The Video Encyclopedia of Physics Demonstrations Disc 10-08 Hold a long aluminum rod at the midpoint and stroke with rosined fingers.
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