Recent content by laughingcat

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    Calculating Frictional Force in a Sliding Box Experiment

    oh! thank you!
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    Calculating Frictional Force in a Sliding Box Experiment

    A small girl applies a horizontal force of 2 Newtons to a 10-Newton box which slides across the floor with a constant speed of 3 m/s. What is the frictional force, in Newtons, by the floor on the box? F=ma The correct answer is 2 but I don't understand why. If the horizontal force is...