A 70.0 kg box is being pulled along a horizontal surface. The coefficient of kinetic friction between the box and the ground is 0.250. What horizontal force must be exerted on the box for it to accelerate at 1.20 m/s2  A 70.0 kg box is being pulled along a horizontal surface. The coefficient of kinetic friction between the box and the ground is 0.250. What horizontal force must be exerted on the box for it to accelerate at 1.20 m/s2  234 N 256 N 125 N 323 N 432 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: