An object with a mass of 6 kg is on a plane with an incline of - pi/6 . If it takes 18 N to start pushing the object down the plane and 15 N to keep pushing it, what are the coefficients of static and kinetic friction?

1 Answer
May 5, 2017

mu_k=0.5
mu_s=0.6

Explanation:

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We have mu_kxx6xx10xxsin (pi/6)=15
:.mu_k=1/2= 0.5
Also
mu_sxx6xx10xxsin (pi/6)=18
:.mu_s=0.6