Friction
Friction
Friction (/ˈfrɪkʃən/; from French friction, from Latin frictio - "a rubbing") is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
Etymology
The term friction comes from the French word friction, which is derived from the Latin frictio meaning "a rubbing". The earliest use of the term in English dates back to the 16th century.
Definition
Friction is a force that opposes the relative motion or attempted motion of two surfaces in contact. It is a result of the complex interactions between the physical and chemical properties of the surfaces involved.
Types of Friction
There are several types of friction, including:
- Static Friction: This type of friction prevents an object from moving when a force is applied.
- Kinetic Friction: Also known as sliding friction, this type of friction occurs when two objects slide past one another.
- Rolling Friction: This type of friction occurs when an object rolls over a surface.
- Fluid Friction: This type of friction occurs when an object moves through a fluid, causing the fluid to flow.
Related Terms
- Force: A push or pull upon an object resulting from the object's interaction with another object.
- Motion: The action or process of moving or being moved.
- Surface: The outer or top part or layer of something.
- Resistance: The refusal to accept or comply with something.
See Also
External links
- Medical encyclopedia article on Friction
- Wikipedia's article - Friction
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