How does a lubricant reduce friction?
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Lubricants Form a smooth layer around the edge of the object on which they are applied, this reduces the rough edges of the object which are essential for friction to take place,Thus reducing friction
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The lubricants when applied on the surfaces of two objects or even one object smoothens the surface forming a coat that fills up the rough edges or the surfaces making the area slippery.
This allows the objects to move with reduces friction.
The rough edges of the objects get smoothed up but the lubricants.
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