What is a lubricant? Give two examples.
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lubericant is a oily substance which reduce the friction between two surfaces .
e.g. wax , grease.....
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The lubricant is a kind of substance introduced for reducing the friction between certain surfaces in the mutual contact that reduces the temperature generated while the surfaces move.
Also, it may have the working of transporting some foreign particles, transmitting forces, or cooling or heating the surfaces.
The grease and oil are the major examples of lubricants.
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