Asked by Emma
A 3-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.45. Determine the magnitude of the kinetic frictional force that acts on the box when the elevator is accelerating upward 2.4 m/s2?
Answers
Answered by
R_scott
frictional force = μ * weight = μ * 3 * (g + 2.4) = 0.45 * 3 * 12.2 ... N
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