A square rod is 2 m long and 0.5 m by 0.5 m in cross section. It elongates by 0.5 mm when subject to a tensile load P. The normal longitudinal strain is most nearly:_____

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Question:

A square rod is 2 m long and 0.5 m by 0.5 m in cross section. It elongates by 0.5 mm when subject to a tensile load P. The normal longitudinal strain is most nearly:_____

Answers

Answer: the normal longitudinal strain is most nearly 2.5 x 10⁻⁴ mm/mmExplanation:Given the data in the question,we know that;Normal longitudinal strain = elongation / original length so we substitute our valuesNormal longitudinal strain = 0.5 mm / (2 m x 1000) mm = 0.5 mm / 2000 mm = 2.5 x 10⁻⁴ mm/mmTherefore the normal longitudinal strain is most nearly 2.5 x 10⁻⁴ mm/mm

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