how does the friction depends on the nature of the surface? what is a measure of static friction ?
Answers
Answer:
Explanation:
Friction depends on the nature of the two surfaces. It depends on smoothness or roughness of the two surfaces which are in contact of each other. When two surfaces are in contact are smooth, then the friction between them is small because the interlocking of smooth surface is less.
To measure the static coefficient of friction, you take the value of the force just as the object starts to move. Doing the same experiment with sliding or kinetic friction, you want to take your reading when the object is sliding at an even velocity.
Answer:
Kinetic friction magnitude is directly proportional to the normal force magnitude and the roughness between the sliding surfaces. Static friction magnitude is directly proportional to the normal force magnitude and the roughness between the sliding surfaces.
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