Question

friction can reduced by using​

Answer 1

Answer:

By polishing the surface, as polishing makes the surface smooth and friction can be reduced.

Answer 2

Answer:

Methods for decreasing friction:

1. Make the surfaces smoother. Rough surfaces produce more friction and smooth surfaces reduce friction.
2. Lubrication is another way to make a surface smoother. ...
3. Make the object more streamlined. ...
4. Reduce the forces acting on the surfaces. ...
5. Reduce the contact between the surfaces. etc