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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
Calculate the bending stresses in the wing box. If applicable, assume the material is aluminum alloy with a young's modulus of E = 10 x106psi and Poisson's ratio of 0.3. Neglect the wing weight in all calculations.
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The wing is 20 feet long, 90 inch wide unswept and untapped wing of an aircraft develops a total lift of 12,000 lbs in level flight. The true load distribution is given by q(x) = q0[1 - 0.7(x/L)] where x is the distance along wing span measured from the root. The engine is located at a distance of 30% of the wing length from the wing and weighs 1500 lbs and develops a torque of 8000 in-lb and a thrust of 5000 lbs. The engine axis is offset vertically from the wing centroid by 36 inches.
 ----------- ----------- ----------- ----------- ----------- De-----------scr-----------ipt-----------ion----------- th-----------e b-----------end-----------ing----------- st-----------res-----------ses----------- in----------- th-----------e w-----------ing----------- bo-----------x. ----------- I-----------f a-----------ppl-----------ica-----------ble-----------, a-----------ssu-----------me -----------the----------- ma-----------ter-----------ial----------- is----------- al-----------umi-----------num----------- al-----------loy----------- wi-----------th -----------a y-----------oun-----------g's----------- mo-----------dul-----------us -----------of -----------E =----------- 10-----------