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Assuming that the hinge at A is removed and that the hinge at B can exert couples about the y and x axes. Problem 4.124: A small door having a mass of 7 kg is attached by hinges A and B to a wall and is held in the horizontal position shown by rope EFH. The rope passes around a small, frictionless pulley at F and is tied to a fixed cleat at H. Assuming that the hinge at A does not exert any axial thrust, determine

(a) The tension in the rope,

(b) The reactions at A and B.

1714_Assuming that the hinge.jpg

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