Links (1) and (2) support rigid bar ABCD shown in the figure. Link (1) is bronze [E = 15,200 ksi] with a cross-sectional area of A1 = 0.545 in.? and a length of L1 = 16 in. Link (2) is cold-rolled steel [E = 30,000 ksi] with a cross-sectional area of A2 = 0.400 in.? and a length of L2 = 35 in. Use dimensions of a = 13.75 in., b = 15.75 in., and c = 20.00 in. For an applied load of P = 8 kips, determine: (a) the normal stresses in links (1) and (2). (b) the deflection of end Dof the rigid bar. D P. (1) L2 b B (2) a A X,u

Two T-shape sections are welded together to create a composite l-beam section as shown below. Determine the safely uniform load w (kN/m) that the beam can carry throughout its entire span. 270mm 30mm 20mm 160mm Welded Joint 130mm 30mm 135mm Beam Length = 4 m Consider the following stresses: fb(T) 3 125 МPа fb(C) = 130 MPa x at the welded joint = 20 MPa Find: 1. The Neutral Axis from the base 2. moment of inertia with respect to the horizontal centroidal axis 3. Q at the welded joint 4. Considering the maximum flexural stress in tension, WNAX is equal to KN/m. 5. Considering the maximum flexural stress in compression, WMAX, is equal to 6. Considering the stress at the welded joint, wMex is equal to kN/m.

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Using the force (flexibility/compatibility) method, analyse the structure in the figure below:

A simply supported beam, circular in cross section, of span L supports a point load W at mid span. The length of elastic-plastic zone at the plastic hinge will be A 0.33 L B 0.41 L C 0.50 L D 0.58 L

Rigid bar ABCD is supported by a pin connection at A and by two axial bars (1) and (2). Bar (1) is a 32-in.-long bronze [E = 13700 ksi] bar with a cross-sectional area of 1.29 in.2. Bar (2) is a 48-in.-long aluminum alloy [E = 10300 ksi] bar with a cross-sectional area of 2.19 in.2. Assume L1=32 in., L2=48 in., a=25 in., b=57 in., and c=15 in. Both bars are unstressed before the load P is applied. If a concentrated load of P = 26 kips is applied to the rigid bar at D, determine:(a) the normal stresses σ1, σ2 in bars (1) and (2).(b) the downward deflection vD of point D on the rigid bar.

Question 4a pls

Q19: In Figure below, what is the ratio of P to F h Waer Hinge Sec A-A

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