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Zm seu or of a truck the3) 0.9mith a force of 97 A 20kg box is on the floor of a thartan acceleration coefficient of static friction between the barIs that to keep the truck floor is 0.3 and the coefficientForm velocity sliding friction is 0.2. The magnitudet force of 2Ndirection of the frictional force acting on theof static andbox when the truck is accelerating at me1) 99.2 N back ward 2) 99.2 N forward3) 39.2 N forward 4) 39.2 N backwardDOCTORS SERIES for Sich1​

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