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Unformatted text preview: theories? b. Consider a change in the configuration. The 400-mm dia pulley is located at D and the bearing at B (Everything else remains the same). Identify the location 0.2 m 400 mm dia. 0.3 m 0.27 m T2 1600 N A B 250mm dia. 30 mm dia. C D T1 200 N subjected to the most severe state of stress. Draw the stress element and Mohrs circle. Compare the results of this configuration with the results from (a). 2. Design a 1-ft long steel, end-loaded cantilever spring for a spring rate of 10,000 lb/in at the load. Compare designs of solid round and solid square cross-sections. Which is more efficient in terms of material use? 3. A part made of ductile steel with S y =40kpsi is subjected to a three-dimensional stress state of 1 =-80kpsi, 2 =-80kpsi and 3 =-80kpsi. What is the maximum shear stress? Will the part fail?...
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This note was uploaded on 11/10/2010 for the course ME 338 taught by Professor Campbell during the Fall '09 term at University of Texas at Austin.
- Fall '09