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Determine the force in each member of the loaded truss. All triangles are equilateral.

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DME asked 1 year ago

Example 9 Determine the force in each member of the loaded truss. All triangles are equilateral. 8 KN 4 kN 2 kN
Determine the force in each member of the loaded truss. All triangles are equilateral.

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I am Unknown answered 1 year ago

 
 

FBD of Givem Tsuss, SkN B. 60 60 RAX for the Equilibaium of Efy=0 RAY 60 RAY + Re sin30 = 14 Re Rar + e 14 2kN Efrro RAx = Re
Onsider Joint C, Roc Singo Re sin 30 = Iry=0, 5 sin30 = 20° Rpc = 2088 KN (Tension) 60 RBC Efx=0, RBct Re cos 30 Rpc RBe 5COS

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7 + 6 =