1 D Hw 12.pdf G Mechanics Of- × Take Test: Mod x(D D EAS209-Ex2-F x-D MTH 306 Ho
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1 D Hw 12.pdf G Mechanics Of- × Take Test: Mod x(D D EAS209-Ex2-F x-D MTH 306 Hom, × Solution Exam x ublearns.buffalo.edu/webapps/assessment/takelaunch.jsp?course-assessment_id=-2022 74-1 &course-id--1; 4 7822-1 &conten; Question 1 Ahre the same for s d engumh,awhichoco uimitionilauck e arse.prinned at each end and loaded in compression. L and A are the same for each column. Which column will buckle first? 0 A. Column with square cross-section 0 B. Column with circular cross section OC. OD. They will all buckle at the same time Column with rectangular cross section d-2b Question 2 A steel column (E-30,000 ksi) has a critical buckling load of 100 kips. The column is pinned at both ends. If the steel column is replaced by an aluminum column with the same cross section, but Lal-Lst/2. What will be the critical buckling load of the aluminum column? O A- 600 kips OB. 1200 kips ° C. 67 kips O D. 133 kips Save and Submit Click Save and Submit to save and submit. Click Save All Answers to save all answersExplanation / Answer
1) Option B is correct. Column with square cross section buckles first. Because this square cross section has less moment of inertia as compared to rectangular and circular columns for a given dimension.
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