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Physics

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A box is held against a wall (not resting on the ground). What minimum horizontal force will JUST prevent the 5.0kg box from sliding if the coefficient of friction betweent he wall and the box is 0.65?

  • Physics -

    force down = m g
    normal force = F
    up force = .65 F
    so
    .65 F = 5 * 9.81
    F = 75.5 Newtons

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