state laws of limiting friction, Define and explain coefficients of static and kinetic
force friction
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(ii) The force of limiting friction between two surfaces in contact is independent of the area of contact.
(iii) Limiting friction is directly proportional to the magnitude of normal reaction N between two surfaces in contact, i.e. where n is constant of proportionality and known as coefficient of friction
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(ii) The force of limiting friction between two surfaces in contact is independent of the area of contact. (iii) Limiting friction is directly proportional to the magnitude of normal reaction N between two surfaces in contact, i.e. where n is constant of proportionality and known as coefficient of friction
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