Question

how to increase and decrease the friction​


pls tell now iam having exam pls

Answer 1

Answer:

mark me as branlist plz than I will tell

Answer 2

to reduce friction we can Make the surface in contact smooth also adding a lubricanrt to two surface in contact reduce friction between them grease is added between the moving part in machine to reduce friction another method of reducing friction is by using bearing

Explanation:

i hope this is useful