Question

WHAT WAYS DO YOU SUGGEST TO REDUCE FRICTION ?

Answer 1

1. using grease or any other lubricant 2. using smoother surfaces 3. using fluids of lower viscosity (measure of resistance to flow) 4.Use rollers, wheels or ball bearings and 5.Objects like cars and planes are modelled with streamlined shapes.

Answer 2

apply greese,or oil between the machine parts.smoothen the surface ,use ball bearinngs. giving streamlined shapes to vehicles  etc are the different methods to reduce friction