Origin of Friction: Atomic/Sub-Atomic Scale

In summary, the origin of friction on the atomic (sub-atomic) scale is a complex topic with different models and mechanisms proposed for different types of friction. It is suggested to do some research and formulate specific questions in order to receive more helpful answers. Tomlinson's model is one example of a proposed mechanism for friction at the atomic scale.
  • #1
Chemist@
115
1
What is the origin of friction on the atomic (sub-atomic) scale?
 
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  • #3
I am just asking what causes friction?
 
  • #4
Chemist@ said:
What is the origin of friction on the atomic (sub-atomic) scale?
Do you mean:

"Why is the frictional force opposite in direction to the direction of travel?"
 
  • #5
Here's the Tomlinson's model on the orgin of friction:

http://www.reibungsphysik.tu-berlin.de/fileadmin/fg204/Publikationen/Tomlinson.pdf

Please note that this is a very specific example. Your question is actually rather vague, because not only are there different proposed mechanisms for static and kinetic friction, but there are also different models for solid-liquid friction, liquid-liquid friction, etc. It is why Nugatory suggested that you do a bit of homework on your own first and figure out exactly how to ask your question in a more informed manner.

Zz.
 

Related to Origin of Friction: Atomic/Sub-Atomic Scale

What is friction at the atomic/sub-atomic scale?

Friction at the atomic/sub-atomic scale refers to the resistance or force that occurs between two surfaces when they come into contact at a microscopic level.

What causes friction at the atomic/sub-atomic scale?

Friction at this scale is caused by the interactions between atoms and molecules on the surfaces of two materials. These interactions can include electrostatic forces, chemical bonding, and surface roughness.

How does friction at the atomic/sub-atomic scale affect macroscopic objects?

The friction generated at the atomic/sub-atomic scale can have a significant impact on the overall friction experienced by macroscopic objects. This is because the interactions at the atomic level can add up and contribute to the overall resistance between the two surfaces.

Can friction at the atomic/sub-atomic scale be reduced or eliminated?

While it may not be possible to completely eliminate friction at this scale, it can be reduced through techniques such as lubrication, surface treatments, and coatings. These methods can help minimize the interactions between surfaces and decrease the overall friction.

How does understanding friction at the atomic/sub-atomic scale benefit society?

Understanding the origin of friction at this scale can help in the development of new and improved materials and coatings that can reduce friction and increase efficiency in various industries such as manufacturing, transportation, and energy production.

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