Why Does Friction Exist? Explaining 4 Forces

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    Friction
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Discussion Overview

The discussion explores the nature of friction and its relationship to the four fundamental forces, particularly focusing on the electromagnetic interaction at the atomic level. Participants examine how microscopic features and atomic interactions contribute to the phenomenon of friction.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant suggests that friction arises from the electromagnetic interaction between atoms of two surfaces in contact.
  • Another participant questions whether friction is due to microscopic deformities or chemical bonds, seeking clarity on how electric forces translate into frictional forces.
  • A further elaboration describes how rough surfaces, characterized by "mountains" and "valleys," interact at the atomic level, with repelling electrons contributing to the frictional force.

Areas of Agreement / Disagreement

Participants express differing views on the specific mechanisms behind friction, indicating that the discussion remains unresolved with multiple competing perspectives on the role of atomic interactions.

Contextual Notes

Some assumptions about the nature of atomic interactions and surface roughness are not fully explored, and the discussion does not clarify the definitions of terms like "deformities" or "chemical bonds" in this context.

Thinker301
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How does friction come about using the four forces?
 
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It comes from the electromagnetic interaction of the atoms of the two surfaces rubbing against each other.
 
I see, but is it because of deformities at the microscopic level or chemical bonds? Essentially what's I'm between. How does the electric force become friction.
 
Thinker301 said:
I see, but is it because of deformities at the microscopic level or chemical bonds? Essentially what's I'm between. How does the electric force become friction.
When you have a rough surface, it will have many "mountains" and "valleys". Your hand will also have these. When they rub against each other,the electrons of the atoms of your hand's mountains repell the electrons of your rough surface's mountains. This is the force.

Note: I don't mean actual mountains
 

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