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categoryالفيزياء schoolبكالوريوس event_available2026-07-15

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I drag a mass m = 21 kg in a straight line, along a horizontal surface, a distance D = 23 m. I drag it at constant speed v = 0.90 m.s¹ in a straight line using a horizontal force. The coefficients of friction are µ = 1.2 and μk 1.1. How much work do I do? W = J. =

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