Friction depends on the _______ of two surface in contact.

Describe an experiment to prove that friction depends on the nature of a surface.

Does the force of friction depends on the area of contact

A solid sphere of mass 0.50 kg is kept on a horizontal surface. The coefficient of static friction between the surfaces in contact is 2/7. What maximum force can be applied at the highest point in the horizontal direction so that the sphere does not slip on the surface?

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

Let F,F_N and f denote the magnitudes of the contact force, normal force and the friction exerted by one surface on the other kept in contact. If none of these is zero,

A body of mass 2kg is resting on a rough horizontal surface. A force of 20N is now applied to it for 10s, parallel to the surface. If the coefficient of kinetic friction between the surfaces of contact is 0.2. Calculate Work done by the applied force in 10s

Two blocks of masses 8 kg and 2 kg respectively lie on a smooth horizontal surface in contact with one another . They are pushed by a horizontally applied force of 15 N . Calculate the force exerted on the 2kg mass .