Mechanics
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Accelerated Reference
Frames
DCS#
1G20.xx
GROAN TUBE
APPARATUS
groan
tube
MK
DESCRIPTION
The groan tube contains a party noise-maker on a sliding
mass. Hold the tube vertically and it makes noise as the
mass
moves through it. Toss the tube in the air so there is no
relative motion between the slider and the tube and the noise
stops.