Where does friction come from?

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    friction homework
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Discussion Overview

The discussion revolves around the origin of friction, exploring its fundamental nature and the factors contributing to it. Participants address the question from various angles, including theoretical explanations, historical context, and practical implications in engineering.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification, Historical

Main Points Raised

  • One participant expresses confusion about the question regarding the origin of friction and seeks clarification.
  • Another participant suggests that friction arises from interatomic and intermolecular forces between contacting surfaces, noting that it is not a fundamental force.
  • A third participant introduces the field of tribology, which studies friction between surfaces, and provides a resource for further reading.
  • One participant questions the original poster's understanding of atoms and molecules, implying that this knowledge is necessary to grasp the concept of friction.
  • Another participant recommends researching historical figures like Leonardo da Vinci, Guillame Amontons, and Charles-Augustin de Coulomb, who contributed to the understanding of friction.
  • One participant proposes that friction originates from the rigidness of particles on surfaces, suggesting that variations in particle height contribute to friction, and mentions the difference between static and kinetic friction coefficients.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the explanation of friction's origin, as multiple viewpoints and interpretations are presented, reflecting uncertainty and differing understandings.

Contextual Notes

Some participants' contributions depend on an understanding of atomic and molecular structures, which may not be universally shared. The discussion includes references to historical figures and concepts that may require further exploration for clarity.

Who May Find This Useful

This discussion may be of interest to students seeking to understand the concept of friction, as well as those interested in the historical development of scientific ideas related to friction and tribology.

christopherson
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I am supposed to write a 1 page essay on the origin of friction. I simply do not understand the question. I tried looking up an explanation but I didn't find any thing that I understood. If anyone could explain this to me I would greatly appreciate it!
 
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christopherson said:
I simply do not understand the question. I tried looking up an explanation but I didn't find any thing that I understood

Do you know what atoms and molecules are?
 
Tips for your research: when you search include the names "Leonardo da Vinci," "Guillame Amontons," and "Charles-Augustin de Coulomb." These three individuals did pioneering work on friction. Leonardo da Vinci is often not cited because he did not publish anything on friction, but he is arguably the first person to systematically analyze friction in machines.
 
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good question, I think it comes from the rigidness of the particles/molecules on the surface. Because the molecules/particles have different heights above the surface it causes friction, I think. because I know that is why the coefficient of static friction is greater than the coeficient of kinetic fricion
 
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