Question: The horizontal platform ABCD has a 3 0 0 l b weight acting vertically through its center. The platform is held in equilib by hinges

The horizontal platform ABCD has a

300 l b

weight acting vertically through its center. The platform is held in equilib by hinges at A and

B

and by brace

C E (

brace

D E

has been removed

) .

The hinge at A acts as a journal bearing and does exert an axial force. Determine the reactions at the hinges a the force exerted by the remaining brace

C E .

The horizontal platform ABCD has a 3 0 0 l b

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