On a frictionless horizontal surface, you push m2 with force F on a book of mass m¡ that in turn pushes on a book of mass m2. F2 F12 (a) Lets regard both books as a single mass: We are not told if the combination moves or not. Does it? How do you know? How does it move; is it uniform motion or accelerated motion? Do both books move the same way? Here are some tactical approaches: Step 1: Draw a DOT to represent both books as one mass Step 2: Draw all the forces on this mass in question Step 3: From the diagram, determine which of Newton's laws are appropriate. Are the forces balanced or unbalanced? Step 4: Using the values you were given for the mass find an expression for

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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: