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Recent questions tagged telegram-45767

(chatquestion)...A body of mass 10 kg is moved with uniform speed on a rough horizontal surface, for a distance of 2 m. The workdone is 150 J. The surface is inclined to the horizontal at 30°. The same body is moved over the inclined plane for a distance of 2 m. The work done against friction will be : (take g = 10 m/s²) (A) 250 J (75-3) J (B) 50 J (C) 150 J (D)

asked Jan 18, 2020 by balaji.thirumalai

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