Question

How can we increase friction

Answer 1

friction can be increased by making surface rough
by using surface having more area touching the ground
decrease the lubrication between the two surfaces
and by banking the roads

Answer 2

$\huge{\rm{\purple{Answer:-}}}$

Methods of increasing friction:-

1) By making the surface rough.

2)By removing all the lubricants.

3)By increasing the mass of the body

Methods of decreasing friction:-

1)By using lubricants.

2)By making the body streamlined

3)By using ball bearings.