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As shown in the figure, two blocks, each...

As shown in the figure, two blocks, each of mass `m`, suspended from the ends of a rigid light rod of length `L`. The rod is held horizontally on the fulcrum and then released.
(`a`) Find the initial angular acceleration of the rod.
(`b`) If the mass of rod is also `m` uniformly distributed. find the tension in the strings attached to blocks.

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