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The three balls roll together. ASU copyright One ball rolls slower than the other two. ASU copyright
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PHYSICS |
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| 1Q10.450B | Three Balls Discrepant Event | Rating: |
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Captions and Credits to the left in the sidebar. |
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Description: Three metal balls roll back and forth. When rolled one way all three balls roll side by side. When rolled the other way one ball rolls ahead of the other two. Students are challenged to explain why. |
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| Room:PS F175 | Location: | Sublocation: | ||
| Type: | Date Added:5/31/2007 | Condition: | ||
| Quantity:1 | Complete: | Last updated: 5/31/2007 | ||
| Purpose: To show how the moment of inertia is related to radius, mass and mass distribution. | ||||
| Safety Issues: Disclaimer (Warning - work in progress - may be incomplete) | ||||
| Equipment Issues: | ||||
| Parts:
Four Ball Set (Ae4) Solid steel ball (66 g) Hollow steel ball(21g) Solid Aluminum ball (24g) channel (under stairs) |
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| Copyright © 2000 | Instructions: place the hollow sphere on the outside and up hill for the first roll reverse and roll the other way. |
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| Arizona Board of Regents | Notes: | |||
| Webmaster Privacy | ||||
| Accessibility | References: | |||
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Links: | Movie: | Caption: | |
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| 1A0 | MEASUREMENT |
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| 1A10 | Basic Units |
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| 1A10.10 | Basic units set-Video | Video Encyclopedia: Show a clock with a second sweep, meter & yard sticks, and kilogram and pound mass |
VE01_01
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3_1
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PS F175
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| 1A10.35 | Meter stick - 4 sided | Graduated in meters, decimeters, centimeters, & millimeters |
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Aa2
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PS F175
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| 1A10.50 | Liter Cube/set |
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Aa2
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PS F175
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| 1A10.510 | Meter Cube | Meter cube frame, stored dismantled |
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Aa2
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PS F175
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| 1A10.520 | Volume Perception Paradox | One liter of colored water is poured from a sphere to cylinder. The sphere seems smaller but is of equal volume. |
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PS F175
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| 1A10.60 | Avogadro's Number box | Black 22.4 liter cube |
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Aa2
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PS F175
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| 1A20 | Error and Accuracy |
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| 1A20.10 | Gaussian curve - Video | Video Encyclopedia: A commercial device for the overhead projector where ball bearings roll through an array of nails into parallel chutes. |
VE16_12
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3_1
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PS F175
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| 1A20.25A | Dice - ordinary |
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Aa2
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PS F175
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| 1A20.25B | Dice - overhead |
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Aa2
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PS F175
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| 1A20.25C | Dice - polyhedral |
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Aa2
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PS F175
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| 1A20.25D | Dice - large foam |
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Aa2
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PS F175
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| 1A30 | Coordinate System |
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| 1A30.10A | XYZ Coordinate axes | Long arrow shafts with label attachments |
top
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7
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PS F175
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| 1A30.10B | XYZ Coordinate axes | Zometool version |
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Aa3
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PS F175
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| 1A30.10C | XYZ Coordinate axes | Medium arrow shafts with dull broadheads |
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cabinet
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PS H356
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| 1A30.30 | Polar Coordinates | A semi circle is rotated about an axis to demonstrate why integration over theta is from zero to 180 degrees. |
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Aa3
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PS F175
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| 1A30.30 | Polar Coordinates |
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| 1A30.40A | Chalkboard Globe - Large |
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Af6
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PS H156
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| 1A30.40B | Chalkboard Globe - Small |
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Af6
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PS H156
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| 1A40 | Vectors |
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| 1A40.001 | Vector models, Magnetic Field model, Electric Field model, Electromagnetic Field model | Three cardboard vector models. 1) A uniform vector field represented by 9 arrows in 3 by 3 array. 2)Single vector represent by an arrow perpendicular to cardboard. 3) Same as 2) except a circle is drawn around the arrow to represent the curl of the vector |
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Aa3
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PS F175
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| 1A40.10 | Vector components (3D)-Video | Video Encyclopedia : Metal arrows define a three dimensional coordinate system. An arbitrary vector is viewed in three planes. |
VE01_07
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3_1
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PS F175
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Records 1 to 25 of 1978
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