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How i find friction between surfaces without using COF tester? |
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| Nov27-12, 06:23 AM | #1 |
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How i find friction between surfaces without using COF tester?
In the morning i get this idea ....the simplest way to determine friction force between two sliding surfaces.
http://www.youtube.com/watch?v=T2jWT9r2Z-U&feature=plcp |
| Nov27-12, 08:51 AM | #2 |
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Mentor
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The angle of the book changed between sliding and the angle measurement.
The method can give a rough approximation of the coefficient of static friction, but it should be done more carefully. |
| Nov27-12, 10:06 AM | #3 |
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Grat, you just (re)discovered the concept of "angle of friction".
Used in intro labs to estimate static and kinetic friction. |
| Nov29-12, 08:59 AM | #4 |
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How i find friction between surfaces without using COF tester?
ya ...but this is just a illustration
thanks for comments |
| Nov29-12, 08:59 AM | #5 |
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I will come back with come great videos ...
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