What is the main cause of friction

What is the main cause of friction

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.These are attractive forces between unlike molecules.It is generated by the imperfections on the two surfaces in contact.Friction is a force that resists motion.Surface roughness is when serious abrasion occurs due to the roughness of the materials in contact.

Friction also depends on the design of an object.The causes of this resistive force are molecular adhesion, surface roughness, and deformations.This force have both benefits and drawbacks.When we deal with fluid friction, the design of the object becomes very important.The major reasons for an unstable friction condition are the tool wear and inhomogeneity in lubricant amount.

Both the things play their roles in creating the effect of friction.What you describe is electrostatic induction.Surface roughness is a factor in friction when the materials are rough enough to cause serious abrasion.The source of the friction is the contact between the surface of the book and the desk.G is the acceleration due to gravity = 9.81 m/s2.

The following are the two types of forces between the molecules:Failing to provide free and helpful content is another common cause of customer friction.For most practical purposes friction is caused by the physical roughness of the surfaces involved.Here n is the normal force given by the formula.The surface irregularities of the two objects in contact cause friction

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