Force of friction

(A) : Force of friction applied by ground on the wheels of a bicycle is always in the direction of motion of the bicycle . (R) : Force of friction always opposes the relative motion between the surfaces in contact .

Define frictional force ( or friction) .

Pseudo Force|| Friction

Pseudo Force|| Friction

Biological forces, mechanical forces and frictional forces are the examples of:

Gravitational force is a conservative force, but frictional force is non-conservative Why ?

Different Types OF Force||Friction||Types OF Friction

(A) : Friction is a self adjusting force. ( R) : Friction depend only mass of the body.