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a "lubricant" is a friction-reducing substance: a substance, typically oil or grease, applied to a surface to reduce friction between moving parts
The friction between moving particles is called friction.
It reduces friction (air or water).
Air friction.
If the two surfaces are moving relative to each other, then the friction between them is Kinetic Friction. Prior to the surfaces moving there was Static Friction between them.
Reduces friction between moving parts.
== == It is a substance, as oil or grease, that reduces friction when applied as a surface coating to moving or working parts of a mechanism.
a "lubricant" is a friction-reducing substance: a substance, typically oil or grease, applied to a surface to reduce friction between moving parts
Oil reduces the effects of friction between the surfaces that are in contact with each other. If you have oil on the road it is not helpful as the moving car will slide around because the friction between the tires and road is reduced.
The friction between moving particles is called friction.
It reduces friction (air or water).
This is any kind of lubricant such as oil or typically other petroleum products. In your car, you have oil changed regularly to ensure the friction of your engine is minimized and your engine operates efficiently.
The lubrication system and the cooling system.
Air friction.
Because grease is slippery, it reduces friction between solid moving objects. Machinery would not be practical without grease and other lubricants.
A lubricantis a substance introduced to reduce friction between moving surfaces. It may also have the function of transporting foreign particles. The property of reducing friction is known as Lubricity. (Slipperiness) This causes less friction.
If the two surfaces are moving relative to each other, then the friction between them is Kinetic Friction. Prior to the surfaces moving there was Static Friction between them.