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Links BC and DE are both made of steel (E = 200 GPa) and have cross-sectional dimensions Problem 2. 1.27 cm x 0.635 cm. Deter

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(a) 2.67KN AA A Ae 5.08 5.08X2 10.16 +5.08X2 10.16cm Ac x Clo-16+5.08X2) 5.08X2 2Ac Ac 5.08cm Ac 2AD DE Let the force in BC b2 Por X 12.7 10.16 2.5PDE. PBc %3D Take moment about F , ŹMp =0; since Fis a pin. EMF = 2.67X CI0-16+5 08+5 08) – PBc XC5.08+PeclBL (b) Deflection at A, AR = 2Ac ABC E 4.45x (10.16/100) 0.80645X104 X200X106 = 5.606X10mm - 5.606 X105 m Ap = 5.606X 16-a) Force in link BC= 4.45 kN

Force in link DE= 1.78 kN

b) Deflection at A= 5.606 ×10-2 mm

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