Decide the magnitude of the doors angular acceleration

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A rotating door is made from four rectangular sections.  The mass of all section is 85kg.  A person pushes on the outer edge of one section by a force of F = 68N that is directed perpendicular to the section.  All section measures 1.2m from the axis for rotation.  Decide the magnitude of the door's angular acceleration.

Reference no: EM13659316

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