A Horizontal Force Acts on a Mass M That

question 63

Multiple Choice

A horizontal force acts on a mass m that lies on a horizontal surface. The acceleration of m is . The coefficient of kinetic friction µ_k between mass m and the surface can be calculated from

• A) µ_k = a/g.
• B) µ_k = F/mg) - a/g).
• C) µ_k = F/mg) + a/g).
• D) µ_k = 0.
• E) None of these is correct.

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