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A 22.5 kg block sits on the plane shown in the figure above. The plane is inclined from level at angle θ = 18.4°. The coefficient of static friction between the block and the surface is μs = 0.498, and the coefficient of kinetic friction is μk = 0.397. The block remains at rest on the plane. What is the magnitude of the frictional force acting on the block?

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