The coefficient of static friction between two surfaces depend on

The coefficient of static friction may be

The coefficient of static friction may be

Define coefficient of static friction.

The coefficients of static friction between contact surface of two bodies is 1. The contact surface of one body support the orther till the inclination is less than

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

What is coefficient of static friction?

Two uniform boards, tied together with the help of a string, are balanced on a surface as shown in Fig. The coefficient of static friction between boards and surface is 0.5 . The minimum value of theta , for which this type of arrangement is possible is