Question

Choose the incorrect statement

Friction depends on weight of object

It depends on nature of surfaces in contact

Friction is less when surface is smooth

Friction depends on area of contact of two surfaces​
fast its urgent

Answer 1

Answer:

Friction does not depend on the amount of surface area in contact between the moving bodies or (within certain limits) on the relative speed of the bodies.

So, 4th one is incorrect statement.

Answer 2

Explanation:

option 4 is incorrect

Friction depends on area of contact of two surfaces.