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Woops, [itex]θ=\tan^{-1}(w/h)[/itex], not [itex]h/w[/itex].
With the moment of inertia, I can figure out the motion of this rectangle. How does that relate to the force that the pivot supplies? Does it supply a force equal to the component of the force of gravity on the rectangle, that is perpendicular to the component in the direction of the swinging motion?
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