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I3-43: TIRE PRESSURE - UNLOADED AND LOADED 7 years 3 months ago #1307

  • zzfixk21
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ID Code: I3-43
Purpose: Show that tire pressure does not change when the tire is loaded within its normal operating limits.
Description: A gauge reads the air pressure in the tire. The tire can be loaded by someone sitting on the platform, causing the tire to flatten on the bottom because of the strain. Q: After the tire is loaded, will the pressure in the tire be (a) greater than, (b) less than, or (c) the same as, the pressure before being loaded. A: The pressure will stay the same. The flattening at the bottom, causing an apparent decrease in volume and increase in pressure, is compensated by slight bulging at all points around the tire.
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I3-43: TIRE PRESSURE - UNLOADED AND LOADED 6 years 8 months ago #1646

  • lecdemhelp
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See the Physics Question of the Week for 12/29/2014 for an example of how this demonstration can be used in class interaction and discussion: lecdem.physics.umd.edu/question-of-the-week-archive.html

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