How Can Friction Force Be Measured and Compared Across Different Materials?

Click For Summary

Discussion Overview

The discussion revolves around the measurement and comparison of friction forces across different materials. Participants explore the theoretical framework, practical measurement methods, and the variability of friction coefficients.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested, Experimental/applied

Main Points Raised

  • Some participants reference the formula F = uN, where F is the frictional force, u is the coefficient of friction, and N is the normal force.
  • There is a question about how to proceed if the coefficient of friction (mu) is not provided.
  • Some participants suggest that tables of values for common materials exist, while others propose that the coefficient can be determined through simple experiments.
  • A participant seeks clarification on the specific context or situation being considered regarding friction measurement.

Areas of Agreement / Disagreement

The discussion contains multiple viewpoints regarding the measurement of friction, with no consensus on a single method or approach. Participants have differing opinions on the availability and use of friction coefficients.

Contextual Notes

Participants have not specified the conditions under which friction is being measured, nor have they detailed the experimental setups that might be used. There is also a lack of consensus on the reliability of existing tables of friction coefficients.

Thegiver431
Messages
13
Reaction score
1
Just a question i was curious about
 
Physics news on Phys.org
F = uN
 
Thegiver431 said:
Just a question i was curious about
Can you be a bit more specific about the kind of situation you had in mind?
 
Are you asking how the frictional force is measured?

Chet
 
billy_joule said:
F = uN
What about if mu is not given?
 
There are tables of values for common materials. Or it can be found via simple experiment
 

Similar threads

Undergrad Question about friction in situation where interface slip occurs
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Modeling Coulomb Friction for a Moving Point Mass in a Circular Bowl
  • · Replies 20 ·
Replies
20
Views
2K
Undergrad If frictional force in system is <= us*N then there is no slipping
  • · Replies 7 ·
Replies
7
Views
2K
High School Equivalence of Frictional and Applied Force
  • · Replies 2 ·
Replies
2
Views
2K
High School Questions about momentum and force as well as normal force/friction
  • · Replies 35 ·
2
Replies
35
Views
5K
Undergrad Reaction force of and its relation to normal force and friction
  • · Replies 20 ·
Replies
20
Views
5K
Undergrad Torque required from powered roller to rotate cylinder
  • · Replies 19 ·
Replies
19
Views
3K
High School Difference between frictional force and the force of friction
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Understanding relative friction
  • · Replies 25 ·
Replies
25
Views
3K
High School How come friction can make a car turn?
  • · Replies 10 ·
Replies
10
Views
3K