Why grease is applying to vehicles ?
Answers
Answer:
Greasa act as a lubricating material. Therefore it reduces friction.
Explanation:
Grease is a semisolid lubricant. Grease generally consists of a soap emulsified with mineral or vegetable oil.
The characteristics feature of greases is that they possess a high initial viscosity, which upon the application of shear, drops to give the effect of an oil-lubricated bearing of approximately the same viscosity as the base oil used in the grease. This change in viscosity is called shear thinning. A true grease consists of an oil and/or other fluid lubricants that is mixed with a thickener, typically a soap, to form a solid or semisolid. Soaps are the most common emulsified agent used, and the selection of the type of soap is determined by the application.
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