The pin-connected structure consists of a rigid bar ABCD and two axial members. Bar (1) is bronze [E = 95 GPa] with a cross-sectional area of A₁ = 630 mm². Bar (2) is an aluminum alloy [E = 67 GPa] with a cross-sectional area of A₂ = 290 mm². All bars are unstressed before the load P is applied; however, there is a 8.3-mm clearance in the pin connection at A. Assume L₁=700 mm, L₂=460 mm, a=580 mm, b=330 mm, and c=1280 mm. If a concentrated load of P = 91 kN acts on the structure at D, determine: (a) the normal stresses 0₁, 0₂ in both bars (1) and (2). (b) the normal strains £₁, ₂ in bars (1) and (2). (c) the downward deflection vp of point D on the rigid bar. (1) L₁ L₂ 2 BO

The pin-connected structure consists of a rigid bar ABCD and two axial members. Bar (1) is bronze [E = 95 GPa] with a cross-sectional area of A₁ = 630 mm². Bar (2) is an aluminum alloy [E = 67 GPa] with a cross-sectional area of A₂ = 290 mm². All bars are unstressed before the load P is applied; however, there is a 8.3-mm clearance in the pin connection at A. Assume L₁=700 mm, L₂=460 mm, a=580 mm, b=330 mm, and c=1280 mm. If a concentrated load of P = 91 kN acts on the structure at D, determine: (a) the normal stresses 0₁, 0₂ in both bars (1) and (2). (b) the normal strains £₁, ₂ in bars (1) and (2). (c) the downward deflection vp of point D on the rigid bar. (1) L₁ L₂ 2 BO

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The pin-connected structure consists of a rigid bar ABCD and two axial members. Bar (1) is bronze [E = 95 GPa] with a cross-sectional
area of A₁ = 630 mm². Bar (2) is an aluminum alloy [E = 67 GPa] with a cross-sectional area of A₂ = 290 mm². All bars are unstressed
before the load P is applied; however, there is a 8.3-mm clearance in the pin connection at A. Assume L₁=700 mm, L₂=460 mm, a=580
mm, b=330 mm, and c=1280 mm. If a concentrated load of P = 91 kN acts on the structure at D, determine:
(a) the normal stresses 01, 0₂ in both bars (1) and (2).
(b) the normal strains 1, 2 in bars (1) and (2).
(c) the downward deflection vp of point D on the rigid bar.
a
b
Answers:
(a) σ₁ =
(b) €₁ =
(c) vd = i
i
i
(1)
Save for Later
L₁
L2
2
e Textbook and Media
B
C
C
MPa, 0₂ =
με, εξ
mm.
= i
i
με..
MPa.
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