Physics

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A box weighing 136. N rests on a table. A rope tied to the box runs vertically upward over a massless frictionless pulley and a weight is hung from the other end. What is the force that the table exerts on the box if the weight hanging the other side of the pulley weighs: 2.46x10¯² N ?

  • Physics -

    m1•g=N+T
    m2•g=T
    m1•g=N+ m2•g
    N=(m1-m2)g

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