Question

(b) List out any three methods to reduce friction.

Answer 1

Answer:

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. ...

Make the object more streamlined. ...

Reduce the forces acting on the surfaces. ...

Reduce the contact between the surfaces.

Answer 2

Answer:

There are many methods to reduce friction like lubrication, Streamlining and using ball bearings...