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Sitivephysics A student is trying to calculate the coefficent of friction between a box and a surface. She measures that she can push 80kg box with a constant speed by applying a 324N force. Neglect drag. Answer each of the following questions for the case in which the box is sliding with a constant speed. How many forces are acting on the box? What is the magnitude of the friction as the box slides? unit What is the magnitude of the normal force from the floor? unit Which coefficient of friction can be determined in this case? What is the value of this coefficient friction? unit Hint! Check Answers Cannot Be So