A cart is moving on a track in the positive x-direction. A force acting parallel to x-axis is excreted on the chart. The chart shows the net force excreted on the chart as a function of displacement. As the cart travels from x=0m to x=4m, what is the net change in kinetic energy of the cart
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Ответ:
False
Explanation:
The net force is equal to the applied force minus the force of friction. It is possible for friction to act in the same direction as an applied force, but that would mean there would have to be more than two forces acting on the object.