7) The two blocks shown in the figure below masses ma = 1.95 kg and mg = 3.10 kg. They are in contact and slide over a frictionless horizontal surface. A force of 20.0 N acts on B as shown. Find: (a) the acceleration; (b) the force on B due to A; (c) the net force on B; (d) the force on B due to A if the blocks are interchanged. 20 N mg mA

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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: