Three objects with masses m1= 2.0 kg, m2= 4.0 kg, and m3= 6.0 kg, respectively, are attached by strings. The coefficient of kinetic friction between the objects and the floor is 0.15.  A force of F=100 N is applied horizontally on m1 pulling all the objects to move to the left, what are the tension T1 and acceleration of the system?

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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: