Boxes AA and BB are connected to each end of a light vertical rope, as shown in the following figure. A constant upward force 74.0 NN is applied to box AA. Starting from rest, box BB descends 10.5 mm in 5.00 ss. The tension in the rope connecting the two boxes is 32.0 N What is the mass of box A?

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: