Uploaded December 2019 | Updated September 2026, 3 days ago

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This video gives a detailed explanation of the friction force. It includes one easy to follow worked example problem. The friction force opposes the motion of an object. The friction force comes from the surface as an object moves across it. There are two types of friction forces, static friction and kinetic friction. The amount of friction between two surfaces is described by the coefficient of friction.

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