How i find friction between surfaces without using COF tester?

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    Friction Surfaces
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Discussion Overview

The discussion revolves around methods for determining the friction force between two sliding surfaces without using a coefficient of friction (COF) tester. Participants explore various approaches and concepts related to measuring friction, including practical demonstrations and theoretical underpinnings.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant suggests a method involving the angle of a book to determine friction force, referencing a video demonstration.
  • Another participant notes that while the method can provide a rough approximation of the coefficient of static friction, it requires careful execution.
  • A different participant points out that the described method relates to the "angle of friction," which is commonly used in introductory labs to estimate static and kinetic friction.
  • One participant acknowledges the feedback and indicates that their post was intended as an illustration rather than a definitive method.
  • Another participant expresses intent to share additional videos related to the topic in the future.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the effectiveness or accuracy of the proposed method, and multiple perspectives on its validity and application remain present.

Contextual Notes

The discussion includes assumptions about the method's accuracy and the conditions under which it can be applied, but these assumptions are not fully explored or resolved.

Who May Find This Useful

Individuals interested in experimental methods for measuring friction, students in introductory physics labs, and those exploring practical applications of friction concepts may find this discussion relevant.

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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.
 
Grat, you just (re)discovered the concept of "angle of friction".
Used in intro labs to estimate static and kinetic friction.
 
ya ...but this is just a illustration
thanks for comments
 
I will come back with come great videos ...
 

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