1 Figure 5-19 gives the free-body diagram for four situations in which an object is pulled by several forces across a frictionless floor, as seen from overhead. In which situations does the acceleration a of the object have (a) an x component and (b) a y component? (c) In each situation, give the direction of a by naming either a quadrant or a direction along an axis. (Don't reach for the calculator because this can be answered with a few mental calculations.) A7N 46 N 46N 3 N 2NA 3 N 3 N 2 N 3 N 5 N 2N 5 N 2 NV 5 N 3 N 4 N V4 N V4 N 4 N 5 N (1) (2) (3) (4)

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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: