Aluminum [E = 69 GPa] member ABC supports aload of 29 KN, as shown in the fig. Assume L₁ =1.9 m, L₂ 1.5 m, d₁ = 45 mm, and d₂ = 32 mm. (a) the value of load P such that the deflection of joint C is zero. (b) theif B moves up and negative if down).corresponding deflection of joint B (positive

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