Question

area of 240 mm2. Link CE is made of aluminium (E 72 GPa) and has a cross-sectional area of 300 mm2. Knowing Unk BD is made of brass (E 105 GPa) and has a that they support rigid member ABC, determine the maximum force P that can be applied vertically at point A if the deflection of A is not to exceed 0.35 mm. (Round the final answer to two decimal places.) 225 mm 150 mm -2025 ?lim 125 mm The maximum force P that can be appled vertically at point A is

Answer 1

From FBD BD FBD= 1.5556 P 125 225 F. FCE-(1 .5556-1)P = 0.5556 P Deformations FBD LBD ABD EBD 1.5556 P × 225 - 13.8893 x 106 P in. 240 × (105 × 103) FCE LCE ACE ECE 0.5556 P x 150 - 3.8583 x 10-6 P in. 300 x (72x 103)

Slope, θ LBc 13.8893 × 10-6 P + 3.8583 × 10-6 P 225 6g 78.8782 x 10-9 P 0.35 = 13 .8893 × 10-6 P + 125 (78.8782 x 10-9 P) 0.35 13.8893 × 10-6 + 125 (78.8782 × 10-9) = 14737 N 14.737 kN