Where to Find the Coefficient of Friction Between Paper and Plexiglass?

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Discussion Overview

The discussion revolves around finding the coefficient of friction between paper and plexiglass, exploring methods for measurement and sharing results. It includes practical experimentation and considerations of variables affecting the results.

Discussion Character

  • Exploratory
  • Technical explanation
  • Experimental/applied

Main Points Raised

  • One participant inquires about the coefficient of friction between paper and plexiglass, noting difficulty in finding information online.
  • Another participant suggests conducting a personal experiment, mentioning various methods and the use of a spring scale.
  • A different participant requests alternative methods for testing due to the lack of a spring scale.
  • One suggestion involves using an inclined plane to determine the angle at which the paper begins to slide, while noting potential issues with electrostatic forces.
  • Another participant agrees with the incline method, proposing that the coefficient of static friction can be inferred from the angle of tilt.
  • A participant shares their experimental result of 0.35088 for the coefficient of friction.
  • There are inquiries about the precision of the measurement obtained using the inclined plane method.
  • Discussion includes the importance of precision in measurements for further calculations.

Areas of Agreement / Disagreement

Participants generally agree on the feasibility of measuring the coefficient of friction using an inclined plane, but there is no consensus on the precision of the measurements or the impact of variables such as weight and electrostatic effects.

Contextual Notes

The discussion does not resolve the potential influence of electrostatic stickiness on the measurements, nor does it clarify the assumptions made regarding the constancy of the coefficient of static friction with varying weights.

Who May Find This Useful

Individuals interested in experimental physics, particularly those exploring friction and material interactions, may find this discussion relevant.

baseballer10p
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I've searched for this on google, but haven't found anything; does anyone know where to find the coefficient of friction between paper and plexiglass?
 
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If you can't find it, you can test it yourself. There are probably many different methods of doing so, you can probably find some online. The easiest would require a spring scale but if you don't have one you can find another method.
 
I don't have a spring scale, but do you have a suggestion on where to look for an alternate method? Thanks.
 
Put it on an incline and tilt it till it slides, but I suspect you're going to have a whole bunch of electrostatic stickiness.
 
TVP45 said:
Put it on an incline and tilt it till it slides.

that's a really good idea. at least to get the coefficient of static friction.

i would suggest trying it with a few different weights on top of the paper, but if the coefficient of static friction remains constant, the angle of tilt (when sliding begins) should be the same, no matter what the weight is. the coefficient of static friction is a function of the angle of tilt.
 
Thanks a lot guys. I did it by using the incline idea.
 
what did you get?
 
.35088
 
baseballer10p said:
.35088

May I ask how you got it to that precision with an inclined plane?
 
  • #10
TVP45 said:
May I ask how you got it to that precision with an inclined plane?

No kidding, that's like 19.3349 degrees!
 
  • #11
stewartcs said:
No kidding, that's like 19.3349 degrees!

you just need a really good protractor. :smile:
 
  • #12
well, i don't want to round yet because i need that to do calculations.

jeez
 

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