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Question 4 10 poin Calculate the force in member AB by the method of joints in kN. [ Compression: negative. Tension: positive

Calculate the force in member AB and the rest by the method of joints in kN.

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4.Consides joint E 120 {fyzo 310 E = 120.tm 3.6 qabarte tiger - FBE smo = 120 ton FEE FBE. 3 = FBE = 144 kW (tension) FBE {fxzoConsider jorst D For. Apply Lamis theorem for 60 FoG Singo Simo Sus (180+(90-0) D → For= 60 3/3.6 = 72 kN (tension) 6okn fonConsides jonst G 110 30 5 va FcG. Foo = 72km. Z fx=0 = 110+ Fcg cose For coso +30. Finx2 72x2 +30-110 3-6 3.6 Fco. =-72 kN (c

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