he three blocks are in contact with each other on a frictionless horizontal plane as seen in the figure. m, the force in F is applied horizontally to its mass. If m; = 2 kg, m; = 3 kg, m3 = 4 kg and F = 18 N, a) Find the resultant forces acting on each block. b) Find the contact forces between blocks.

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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: