The rigid bar AB attached to aluminum and steel rods, is horizontal before the load P is applied. Find the vertical displacement of point C caused by the load P = 50 KN. Neglect all weights. Steel L= 4m Aluminum L= 3m A= 300 mm² E- 200 GPa A= 500 mm E= 70 GPa 3.5 m 2.5 m B.

Consider the truss shown in (Figure 1). Suppose that F = 30 kN Figure A 3m 3m < 1 of 1 ▼ Determine the force in the member CD of the truss and state whether it is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case tension. FCD- Value Submit Part B HA Part C Request Answer Determine the force in the member CB of the truss and state whether it is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. FCB- Value Submit Request Answer HÀ Submit Part D FDA- Value HA Determine the force in the member DA of the truss and state whether it is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive…

Q1) Three bars AB, CD and ED are used to support ACE beam. The three bares have modulus of elasticity E=200 GPa, cross sectional area A=500 mm2. Determine the ww normal stress in each bar due to load P. a a=280mm b=70mm C=1177mm L=1075mm P=775mm L E B D F

A steel har 900 mm long. Its two ends are 40 mm and 30 mm in diameter and the length of each rod is 200 mm. The middle portion of the bar is 15 mm in diameter and 500 mm long. If the bar is subjected an axial tensile load of 15 kN, determine (1) Stress in each section, (2) Total extension. [Take E= 200 x 10³ N/mm²]. Given: D₁ = 40 mm; D₂ = 15 mm; D3 = 30 mm; L₂ = 500 mm; L 200 mm. L₁ = 200 mm; P = 15 kN = 15 x 103 N; = E = 200 × 10³ N/mm². 15 KN To find: D₁ = 40 mm D₂ - 15 mm 200 mm 500 mm f D₂ - 30 mm 200 mm (1) Stress in each section, and (2) Total extension. 15 KN

2. Given a simply supported beam shown in figure below with the cross section at maximum moment. The beam supports a uniform service dead load of WDL =30 kN/m (excluding own weight of beam), PLL = 270 kN. Use fc' = 30 MPa; fy = 400 MPa. Calculate design strength M, for the cross section shown in the figure. Check the strains in the steel ɛsi. P, LL 75 100 - - 75 90 W. DL 710 650 5Ф30 15000 mm-

F (kN)=36     L1 (m)= 37.0053     Eal (GPa)=74

I need only hand written solution

Q2/ The beam shown is made of a nylon for which the allowable stress is 24 MPa in tension and 30 MPa in compression. Determine the largest couple M that can be applied to the beam. 40 mm 15 mm M d = 30 mm 20 mm

2. CE Board May 2014 A rigid bar AB is hinged at A and is supported by a rod at C. The rod is pin-connected at D as shown. Neglecting deflection of the bar due to bending. Use E = 250 GPa.. C ed he NO 36 mm ø 2 m D 2 m 1 m O If the displacement of the loaded end B of bar is 3 mm, determine the weight W. ® Determine the tensile stress induced. in bar CD by the load W = 100 kN. ® If the allowable stress in rod CD is 124 MPa, what weight W can be safely applied?

The rigid bar DEFis welded at point D to the uniform steel beam AB. For the loading shown in figure 5, determine (a) the equation of the elastic curve of the beam, (b) the deflection at the mid-point C of the beam by double integration method Use E=29x106 psi and I= 2000 in4 X=4740