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QUESTION
A box of books weighing 351 N moves with a constant velocity across the floor when it is pushed with a force of 416 N exerted downward at an angle of...
A box of books weighing 351 N moves with a constant velocity across the floor when it is pushed with a force of 416 N exerted downward at an angle of 38.7◦ below the horizontal.Find μk between the box and the floor.
