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Liquid In Spinning Sphere
Purpose
To show the behavior of a liquid when subjected to a centripetal force.
Equipment
Rotator with sphere and colored water.
Suggestions
Rotate sphere slowly to achieve this effect.
Images
Description
When the sphere is rotated, the water leaves the bottom of the sphere and forms a band in the middle of the sphere, due to the reaction to the centripetal force.
References
Lecture Demonstration Information Sheet. ◙D. James Baker, Jr., Demonstrations of Fluid Flow in a Rotating System, AJP 32, 647-652 (1966).
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See pagesf1. pressure in static fluids
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See pagesf2. buoyancy
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See pagesf3. surface tension
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See pagesf4. fluid in motion
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See pagesf5. pressure in moving fluids
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See pagesf1. pressure in static fluids
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See pagesf2. buoyancy
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See pagesf3. surface tension
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See pagesf4. fluid in motion
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See pagesf5. pressure in moving fluids
Physics Lab Demos