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PHYSICS TEACHER

Physics Fundamentals BLOG for K12

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definition of friction

mastering physics-how friction helps in walking

How Friction helps in walking?-explanation with free body diagram

How friction helps in walking “If Friction is a force that opposes motion then how friction helps in walking?” Very often this question comes from the Physics students. Some asks, “How is friction useful sometimes?“ If we go by the common notion we have about Friction, certainly these questions may arise in young and eager minds who are trying