Question

How can we reduce friction?
friction.
1. Replace sliding friction with _________friction.Use ball bearings
2. Improve lubrication by using __________or ___________
3. Smoothening the surface b
___________it
4. Giving suitable shape to bodies moving in __________​

Answer 1

Answer:

1. rolling

2.oil

3.below

Answer 2

Answer:

We can reduce friction by making the surfaces smoother,rough surfaces produce more friction and smooth surfaces.