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A horizontal force of 24 N is being applied to a box on a level surface. The box is accelerating at the rate of2280889against a frictional force of 14 N. What is the mass of the box?

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  1. Fap = 24 N. = Force applied.
    a = 2.28 m/s^2?
    Fk = 14 N.

    (Fap-Fk) = M*a
    M = (Fap-Fk)/a = (24-14)/2.28 = 4.39 kg.
    = Mass of the box.

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