A 10-kg object is pushed across a rough surface. It begins at rest and accelerates to a speed of 4 m/s in a distance of 5m. Which fact (s) support the conclusion that the object experiences an unbalanced force? A) The rough surface has friction. B) The object has a mass of 10-kg. C) The object accelerates across the surface. D) The object has a force applied to it and covers a distance.
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