A constant horizontal force of is applied to each of four carts on a level track

PHYSICS · Single correct · CBSE · Physics · Force and Laws of Motion · Force and Laws of Motion

Problem

A constant horizontal force of 40 N40\,\text N is applied to each of four carts on a level track. The mass of each cart and the magnitude of kinetic friction acting on it are listed below. • Cart P: mass 5 kg5\,\text{kg}, friction 0 N0\,\text N • Cart Q: mass 5 kg5\,\text{kg}, friction 10 N10\,\text N • Cart R: mass 8 kg8\,\text{kg}, friction 0 N0\,\text N • Cart S: mass 8 kg8\,\text{kg}, friction 10 N10\,\text N Which ranking correctly orders the carts’ accelerations from greatest to least? (a) P>R>Q>SP > R > Q > S (b) P>Q>R>SP > Q > R > S (c) Q>P>S>RQ > P > S > R (d) R>Q>P>SR > Q > P > S

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