MECHANICS - ROTATIONAL DYNAMICS - CONSERVATION OF ANGULAR MOMENTU NC State University Faculty Access

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Stability of Orbits
# 1Q40.20


MOVIES
320x240 1300K
160x120 851K
Description: Conservation of angular momentum can be shown nicely with this apparatus. Start the bar rotating and pull on the center string. As the mass is pulled towards the center, the angular velocity increases. This demonstration is similar to the rotating stool with masses demonstration.

Purchased/Built: purchased

Setup Time: 5 min

Quant. in Demo Room: 1

Source: Pasco Scientific

Demo References
Sutton M-177 A mechanical device for showing the pirouette effect.
Meiners 13-7.13 Pulling a string decreases the radius of two masses rotating at the ends of a rod.
Freier and Anderson Mt-1 A flyball governor can be expanded or contracted by a squeeze handle.
The American Journal of Physics AJP 33(4),345 Plans for a two ball adjustable governor type conservation apparatus.

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