A copper rod of cross-sectional area 0.500 cm2 and length 1.00 m is elongated by 2.00 * 10-2 mm, and a steel rod of the same crosssectional area but 0.100 m in length is elongated by 2.00 * 10-3 mm . (a) Which rod has greater tensile strain? (i) The copper rod; (ii) the steel rod; (iii) the strain is the same for both. (b) Which rod is under greater tensile stress? (i) The copper rod; (ii) the steel rod; (iii) the stress is the same for both.
A copper rod of cross-sectional area 0.500 cm2 and length 1.00 m is elongated by 2.00 * 10-2 mm, and a steel rod of the same crosssectional area but 0.100 m in length is elongated by 2.00 * 10-3 mm . (a) Which rod has greater tensile strain? (i) The copper rod; (ii) the steel rod; (iii) the strain is the same for both. (b) Which rod is under greater tensile stress? (i) The copper rod; (ii) the steel rod; (iii) the stress is the same for both.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A copper rod of cross-sectional area
0.500 cm2 and length 1.00 m is elongated by 2.00 * 10-2 mm, and a steel rod of the same crosssectional
area but 0.100 m in length is elongated by 2.00 * 10-3 mm . (a) Which rod has greater tensile
strain? (i) The copper rod; (ii) the steel rod; (iii) the strain is the same for both. (b) Which rod is
under greater tensile stress? (i) The copper rod; (ii) the steel rod; (iii) the stress is the same for both.
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