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Part IIA slider is moving on an air cushion track, either to the right (+) or to the left (-). Since the slider is hovering and takes on only small velocities, all effects due to friction forces and air resistances can be neglected. 
A force can be applied to the slider in horizontal direction. Please mark each of the following situations 7 to 14 with one of the offered force/time-diagrams A to K, which shows how the force on the slider varies with time. Situation 7Situation 8Situation 9Situation 10Situation 11Situation 12Situation 13Situation 14 |
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