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Elevator cabs A and B are connected with a short cable and can be pulled upward or lowered by the cable above cab A. Cab A has mass 1690 kg; cab B has mass 1310 kg. A 14 kg box of catnip lies on the floor of cab A. The tension in the cable connecting the cabs is 1.95 ×10⁴ N. What is the magnitude of the normal force on the box from the floor?

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