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25 August, 08:28

A box of books with mass 43 kgkg rests on the level floor of the campus bookstore. The floor is freshly waxed and has negligible friction. A bookstore worker applies a constant horizontal force with magnitude 25 NN to the box. What is the magnitude of the acceleration of the box?

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  1. 25 August, 09:15
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    a = 0.581 m / s²

    Explanation:

    For this exercise we use Newton's second law that states that force is proportional to the mass and acceleration of the body

    We write a frame of reference with the x axis in the direction of the floor

    F = m a

    a = F / m

    Let's calculate

    a = 25/43

    a = 0.581 m / s²

    The direction of the acceleration is the same direction of the force
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