Question: The horizontal platform ABCD has a 3 0 0 l b weight artine vertically through its center. The platform is held i by hinges at

The horizontal platform ABCD has a 300lb weight artine vertically through its center. The platform is held i by hinges at A and B and by brace CE(brace DEr removed). The hinge at A acts as a journal bearing exert an axial force. Determine the reactions at the the force exerted by the remaining brace CE.
The horizontal platform ABCD has a 3 0 0 l b

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