Question

can we reduce friction to zero by polishing surface or using large amount of lubricants

Answer 1

friction can be reduced by polishing a surface or by using large amount of lubricants such as oil, water, or grease but we cannot reduce friction of zero. we cannot completely eliminate friction.

Answer 2

we cannot reduce friction to zero by using lubricants or by polishing. friction exits and it cannot be completely eliminated. friction exits at even atomic levels too.