For a given pair of dry surfaces

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

For a given pair of dry surfaces, which inequality between the coefficients of friction is correct? (a) μs=μk\mu_s = \mu_k (b) μs>μk\mu_s > \mu_k (c) μs≈0\mu_s \approx 0 (d) μs<μk\mu_s < \mu_k

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