Velocity (m/s) $ -10 -12 W (a) n Velocity vs. Time W (d) A mass m box starts from rest at the origin. It moves in one-dimension where the positive direction is to the right and the negative direction is to the left. The box can either be pushed with a force to the right, be pushed with a force to the left, or not be pushed at all. It slides on a frictionless horizontal surface. The following free-body diagrams (a-f) are possible forces acting on the mass m box that moved according to the velocity vs time graph above. Match the best free-body diagram that the mass m object had in each of the following time ranges. L. L. push W (b) n 10 W (e) T The best matching free-body diagram between 2 and 4 seconds is The best matching free-body diagram between 6 and 8 seconds is 12 L. The best matching free-body diagram between 8.5 and 9.5 seconds is The best matching free-body diagram between 12 and 14 seconds is fr 14 W (c) ñ 16 Time (s) W (f) T [Choose] [Choose] [Choose] [Choose]

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