What is the angle of friction between two surfaces in contact , if coefficient of friction is `1//sqrt(3)` ?

Static friction between two surfaces

The limiting friction between two surface does not depend

The angle of friction between two surfaces is 37^(@) . If cos37^(@)=4/5 ,coefficient of static friction between those two surface is ?

The coefficient of friction between two surface is 0.2. The maximum angle of friction is

The coefficient of static friction between two surfaces depend on

The frictional force between two surfaces is independent of

Statement - 1 : Maximum value of friction force between two surfaces is mu xx" normal reaction" . where mu = coefficient of friction between surfaces. Statement - 2 : Friction force between surfaces of two bodies is always less than or equal to externally applied force.

_____ friction is friction between moving surfaces.