Ask Copilot + เท (b) of 7 A Question 5 A steel bar AD shown in Figure Q5 has a cross-sectional area, A = 250 mm² and is loaded by forces P₁ = 7500 N, P2 = 5300 N and P3 = 5800 N. www A 1500 mm 600 mm 900 mm P₁ →P₂ P3 B C D Figure Q5: A steel bar ABCD a) Assuming that the modulus of elasticity is E = 200 GPa, calculate the overall change in length of the bar stating whether it is elongation or shortening. b) Calculate the new value of P3 such that bar ABCD does not change in length provided that forces P, and P, remain unchanged? c) If P₁ = 7500 N. P₂ = 5300 N and P 5800 N are applied as shown and the cross- sectional area of segments BC and CD remain 250 mm², what revised cross-sectional area for segment AB will result in no change of length of bar ABCD. 17°C P

A safety valve on the top of a tank containing steam under pressure p has a discharge hole of diameter d(see figure). The valve is designed to release the steam when the pressure reaches the value Pmax If the natural length of the spring, is L and its stiffness is k, what should be the dimension ft of the valve? (Express your result as a formula for h.)

0:07I | ZVAO K/s a 15all KOREK A locs.google.com 11 Q2: The extension spring shown in the figure has full-twisted loop ends. The material is AISI 1040Q&T 400FO wire. The spring has 82 coils and is close- wound with a preload of 18 Ibf. (a) Find the closed length of the spring.(b) Find the torsional stress in the spring corresponding to the preload.(c) Estimate the spring rate.(d) What load would cause permanent deformation?(e) What is the spring deflection corresponding to the load found ?in part d 0.162 in 1 in L-in R -in R. Option 1 O

Determination of vertical displacement of Mid-Term Project pipe assembly Find the vertical displacement at position C in the figure. 800 mm Pipe inner diameter: 40 mm, Pipe outer diameter: 60 mm Material: A-36 Steel 600 N B. -By the force 600N, the AB part of the pipe is subjected to bending and torsional loads. BC part is subjected to bending load. -The energy equation by this load is as follows. Energy equation by torsional load: 400 mm T²dx (U), = 2GJ Problem: Energy equation by bending load a) First, draw a free body diagram and the AB part Of the bending/torsional load of the BC and Derive the bending load equation. So M²dx (U) = 2EI By applying it to the high energy formula, Save energy and make it the same as external energy Release to find the vertical displacement. -The sum of the internal energy of 2 energy is as follows. U=U: +Ub b) Creo modeling and structural analysis -Due to energy conservation, the sum of the internal energy U is the external due to the load 600 NGet the…