karamammaraljaf karamammaraljaf

08-12-2022
Physics

contestada

For the figure shown above. Knowing that the mass of the box is 20 kg, the maximum coefficient of static friction (µs) is 0.75, the coefficient of kinetic friction (µk) is 0.4 and the magnitude of tension in the string is 200 N. Find the magnitude of the normal force acting on the box.

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