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    Force needed to pull two objects up a 30° incline at constant speed

    Homework Statement An object of mass m1=50kg, connected to another object of mass m2=20kg by a cable,is driven up an inclineof 30° by a force F , acting on m1 and parallel to the incline. Assuming a coefficient of kinetic of 0.4 between the two objects and the icline: 1-what should be the...