Two brothers are goofing around on the surface of a frozen lake where μ = 0.050. The older brother weighs 825 N and the younger weighs 765 N. The older brother shoves the younger with a force of 85.0 N, 0.0° (a) Find the acceleration of the younger brother. (b) Find the acceleration of the older brother. (c) Find the acceleration of the center of mass of the two-brother system – treat the two brothers as “one object”.

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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: