what is friction???
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Fictional force or friction is contact force acting in the opposite direction of any relative motion between any two surfaces. It opposes or tends to oppose any relative motion between two given bodies.
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Friction is defined as the resistance provided by surfaces in touch as they move past one another.
Explanation: Friction offers the necessary traction for walking without slipping. In most circumstances, friction is beneficial. They do, however, provide a significant amount of opposition to the move. Furthermore, around 20% of an automobile's engine power is used to overcome frictional forces in the moving parts. Let's have a look at some of these aspects in the next section.
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