Question

write any two methods to increase friction​

Answer 1

Explanation:

The two methods are :-

By making the surfaces rough.

By adding grooves in tyres.

Answer 2

Answer:

Below are some ways to increase friction between surfaces

1. Create a “rougher” or more adhesive point of contact.
2. Press the two surfaces together harder.
3. Stop any relative motion.
4. Remove lubrication between the two surfaces.
5. Remove wheels or bearings to create sliding friction.
6. Increase the fluid viscosity.