Question

how do we reduce friction and why do we need to do so​

Answer 1

Methods for decreasing friction:

Make the surfaces smoother. Rough surfaces produce more friction and smooth surfaces reduce friction.

Lubrication is another way to make a surface smoother. ...

Answer 2

Answer:

How to reduce friction

1. Apply greasy substances , oils, lubricants on the surface of the objects
2. Attach ball bearing on the objects
3. make the surface smooth
4. Attach wheels to the objects.

• We have to reduce friction due to it's disadvantages like wastage of energy,causes heating, Objects get easily damaged,fuel is wasted