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Question 9 10 pts What is the magnitude of the displacement of point B with respect to point D?E=10GPa, A=0.002mReport value
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Solution Lets doaw FBD of membei ABCD AY 1 kN/m >R 7x A TC K bo* im em Am sta 7 RD (1x4) Rp. - 4 = 4 kN Reaction RD folce at700 part @ FOŹ 4-Rx - (4x2) = --0 It 4-ki -20 Rx = 4-2 (kN) Degamation in clomont chosen ds Hookes AE law ) 3 ds (m) (AE ISSB en X 103 L 3 SB. (4-20 dx (2x107) 2x104 (4-2002 42-3) 2x104 4(3-0) 2x104 3 1 8B 1 2 2X 104 7.5. 2x104 3.75 X 10 m 375X10 D

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