Mazie stands on her kitchen floor. The coefficient of kinetic friction between her socks and the floor is 0.35, and the coefficient of static friction is 0.42. She has a mass of 58 kg.  b. Mazie slides across the floor at a speed of 1.3 m/s. What is the force of kinetic friction acting on her? c. Mazie climbs up on the roof of her house, which has an angle of 25°. The coefficient of static friction between her and the roof is 0.35. Will she slip off the roof? Explain your answer. d. Given that μ s = 0.35, what is the maximum angle the roof could have without her slipping?

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.