My books and my teachers tell me that the frictional force is independent of the area of contact. I am also aware of the equation F=μN and that area has no part in it. But it's just so confusing and counter-intuitive. Friction is because of the the interlocking of the irregularities of two surfaces (At least that's what i think it is). So doesn't more area mean , more interlocking and hence more friction? Please do help me understand this.