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A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 36.0 directed at an angle of 40.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the normal force that the floor exerts on the chair

  • physics -

    Fx= 36cos40 in hor direction
    Fy= 36sin40 in vertical downward direction

    For equilibrium in vertical direction
    Normal Force N=mg+Fy

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