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 A common way to reduce friction is by using a lubricant,

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jancancook



Masculin Nombre de messages : 237
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Localisation : Viet Nam
Date d'inscription : 15/02/2011

A common way to reduce friction is by using a lubricant, Empty
MessageSujet: A common way to reduce friction is by using a lubricant,   A common way to reduce friction is by using a lubricant, Icon_minitimeMar 29 Mar - 4:10

A common way to reduce friction is by using a lubricant, such as oil, water, or grease, which is placed between the two surfaces, often dramatically lessening the coefficient of friction. The science of friction and lubrication is called tribology. Lubricant technology is when lubricants are mixed with the application of science, especially to industrial or commercial objectives.

Superlubricity, a recently-discovered effect, has been observed in graphite: it is the substantial decrease of friction between two sliding objects, approaching zero levels. A very small amount of frictional energy would still be dissipated.

Lubricants to overcome friction need not always be thin, turbulent fluids or powdery solids such as graphite and talc; acoustic lubrication actually uses sound as a lubricant.

Another way to reduce friction between two parts is to superimpose micro-scale vibration to one of the parts. This can be sinusoidal vibration as used in ultrasound-assisted cutting or vibration noise, known as dither.

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stargame95



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Date d'inscription : 09/07/2011

A common way to reduce friction is by using a lubricant, Empty
MessageSujet: Re: A common way to reduce friction is by using a lubricant,   A common way to reduce friction is by using a lubricant, Icon_minitimeJeu 14 Juil - 3:04

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Freeline skating now available at NX Sports
person told the Times of India.

An unexploded bomb was also reportedly been found in Dadar.

The choice of locations makes it clear that the blasts were intended to cause maximum casualties, says the BBC's Soutik Biswas in Delhi.
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