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Free body diagram of the force system: Forces in each cord in coordinate form: Here, required the height of the hinge. Them equate the compare the coefficients of and will get three equations. Then we can find the forces in three cables by solving those equations.

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Page 1: Document32

Free body diagram of the force system:

Forces in each cord in coordinate form:

Here, required the height of the hinge.

Them equate the compare the coefficients of and will get three equations. Then we can find the forces in three cables by solving those equations.