Can you state the laws of dry friction?

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Debraj Paul

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(Eq1) Fm = ?sN Magnitude of the maximum static friction force (Eq2) Fk = ?kN Magnitude of the kinetic friction force
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The law states that for two dry solid surfaces sliding against one another, the magnitude of the kinetic friction exerted through the surface is independent of the magnitude of the velocity (i.e., the speed) of the slipping of the surfaces against each other. Note that the direction of the kinetic...
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The law states that for two dry solid surfaces sliding against one another, the magnitude of the kinetic friction exerted through the surface is independent of the magnitude of the velocity (i.e., the speed) of the slipping of the surfaces against each other. Note that the direction of the kinetic friction does depend on the direction of the velocity -- it is precisely the opposite direction. read less
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Math Magician

Dry friction resists relative lateral motion of two solid surfaces in contact. Dry friction is subdivided into static friction ("stiction") between non-moving surfaces, and kinetic friction between moving surfaces.
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Maths Wizard

Law of riction states that Friction will oppose the relative motion between two surfaces .
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