physics

if an object is pushed along a rough horizontal surface and moves at a constant velocity, then...

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  1. it does not accelerate.

    the friction exactly balances the motive force.

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  2. F-Fk = M*a.
    F-Fk = M*0,
    F-Fk = 0,
    F = Fk. = Force of kinetic energy.

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  3. Correction: F = Fk = Force of kinetic friction.

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