2.0 B 1.5 A m C M D o (0) + 2.5m +1.0m 1.5 m P= 150 KN A pin connected structure is loaded and supported. Member CD is rigid and is horizontal before load P is applied. Member A is an Aluminum alloy bar with a modulus of elasticity of 75 GPa and A = 1000 mr Member B is a structural steel bar with modulus of elasticity of 200 GPa and A= 500 mm². Find=" Normal stresses in bars A and B. bl Deflection of Pin D.