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Showing posts with the label Demerits effects of Friction

What is Friction?

Friction is defined as the resistance to motion between two objects in contact with each other. To prevent one object from sliding on another acts as friction . The automobile many parts are rotating and sliding with other parts. Some of the power developed by engine must be used up in overcoming this friction.  Demerits effects of Friction/Disadvantage of Friction: Friction is an effect which wasted power because it does not contribute to moving the car. On the other hand friction is very valuable in the car brakes. It also creates noise. Characteristics of Friction: Friction varies with the pressure applied between the sliding surfaces, the roughness of the surfaces and the material of which the surfaces are made. Mainly friction varies with the load, types of material and roughness of a surface. Coefficient of Friction: People need to know exact way to find frictional differences than to say that one surface has a high friction and another surface