Electrical Engineering > QUESTIONS & ANSWERS > University of Waterloo - ME 220Assignment 2-Problems (2) (All)
University of Waterloo - ME 220Assignment 2-Problems (2)
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ME 220 (MODS 2) Assignment 2 – Problems 1. The strut is supported by a pin at C and an A-36 steel (E=29,000 ksi, ?? = 36 ksi) guy wire AB. If the wire has a diameter of 0.2 in., determine how muc ... h it stretches when the distributed load acts on the strut. (Answer: 0.0821 in) 2. A bar having a length of 5 in. and cross-sectional area of 0.7 in2 is subjected to an axial force of 8000 lb. If the bar stretches 0.002 in., determine the modulus of elasticity of the material. The material has linear-elastic behavior. (Answer: 28.6x103 ksi) Page 2 of 3 3. The elastic portion of the tension stress–strain diagram for an aluminum alloy is shown in the figure. The specimen used for the test has a gauge length of 2 in. and a diameter of 0.5 in. If the applied load is 10 kip, determine the new diameter of the specimen. The shear modulus is Gal = 3.8x103 ksi. [Show More]
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