3. A 4-kg block and a 2-kg block can move on the horizontal frictionless surface. The blocks are accelerated by a +12 N force that pushes the larger block against the smaller one. Determine the force that the 2-kg block exerts on the 4-kg block. * +12 N 4 kg 2 kg O -4 N O -12 N O ON O +4 N O +8 N

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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: