The beam is to be hoisted using two chains. If the resultant force is to be 600
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The beam is to be hoisted using two chains. If the resultant force is to be 600 N directed along the positive y axis, determine the magnitudes of forces FA and FB acting on each chain and the angle ? of FB so that the magnitude of FB is a minimum. FA acts at 30? from the y axis, as shown
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FA 30
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