The pin-connected structure shown in the figure consists of a rigid beam ABCD and two supporting bars. Bar (1) is a bronze alloy [E = 100 GPa] with a cross-sectional area of A1 = 270 mm2. Bar (2) is an aluminum alloy [E = 73 GPa] with a cross-sectional area of A2 = 630 mm2. All bars are unstressed before the load P is applied; however, there is a 4-mm clearance in the pin connection at A. Assume L1 = 1890 mm, a = 870 mm, b = 540 mm, c = 410 mm, and L2 = 1450 mm. If a load of P = 127 kN is applied at B, determine(a) the normal stresses in both bars (1) and (2).(b) the downward deflection of point A on the rigid bar. The pin-connected structure shown in the figure consists of a rigid beam ABCD and two supporting bars. Bar (1) is a bronze alloy [E =100 GPa] with a cross-sectional area of A₁ = 270 mm². Bar (2) is an aluminum alloy [E = 73 GPa] with a cross-sectional area of A₂ = 630mm². All bars are unstressed before the load P is applied; however, there is a 4-mm clearance in the pin connection at A. Assume L₁ =1890 mm, a = 870 mm, b = 540 mm, c = 410 mm, and L₂ = 1450 mm. If a load of P = 127 kN is applied at B, determine(a) the normal stresses in both bars (1) and (2).(b) the downward deflection of point A on the rigid bar.(1)L₁bAnswers:(a) σ₁ =0₂ =(b) VA=iiPCCMPaMPamm(2)DL2

(a) Draw a free-body diagram of the beam.

Answered: The pin-connected structure shown in…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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The pin-connected structure shown in the figure consists of a rigid beam ABCD and two supporting bars. Bar (1) is a bronze alloy [E = 100 GPa] with a cross-sectional area of A₁ = 270 mm². Bar (2) is an aluminum alloy [E = 73 GPa] with a cross-sectional area of A₂ = 630 mm². All bars are unstressed before the load P is applied; however, there is a 4-mm clearance in the pin connection at A. Assume L₁= 1890 mm, a = 870 mm, b = 540 mm, c = 410 mm, and L₂= 1450 mm. If a load of P = 127 kN is applied at B, determine

(a) the normal stresses in both bars (1) and (2).
(b) the downward deflection of point A on the rigid bar.

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