Posted by **Jim** on Wednesday, March 21, 2007 at 7:59pm.

Can someone please give me some insight on how to work this problem?

A rotating door is made from four rectangular glass panes, as shown in the drawing. The mass of each pane is 85 kg. A person pushes on the outer edge of one pane with a force of F = 63 N that is directed perpendicular to the pane. Determine the magnitude of the door's angular acceleration in rad/s2.

The distance from the drawing is 1.2m.

You have to compute the moment of inertia. That is the purpose of this problem. YOu may have a table for this figure. It is moment of inertia calculations the same as a rod being rotated about one end.

do you think you could maybe answer my question, please, bobpursley?

Please show your work next time.

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