February 22, 2017

Homework Help: physics

Posted by chelsea on Wednesday, May 30, 2012 at 8:44pm.

A rotating door is made from four rectangular sections, as indicated in the drawing. The mass of each section is 86 kg. A person pushes on the outer edge of one section with a force of F = 61 N that is directed perpendicular to the section. Determine the magnitude of the door's angular acceleration.
The picture shows the revolving door having four separate parts with a radius of 1.20

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