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categoryهندسة ميكانيكية schoolبكالوريوس event_available2026-07-15

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Q1: (50%) Two large plane surfaces are 2.4 cm apart. The space between the surfaces is filled with glycerine. What force is required to drag a very thin plate of surface area 0.5 square meter between the two large plane surfaces at a speed of 0.6 m/s if the thin is at a distance of 0.8 cm from one of the plane surfaces? Take the dynamic viscosity of glycerine = 8.10* 101 N s/m². T 2.4 cm density 0.8cm Spea G.G

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