Answered: 3. Calculate the percentage increase in…

3. Calculate the percentage increase in length of a wire of diameter 2.5 mm stretched by a force equal to the weight of 100 kg. Given that Y for wire is 12.5 x 100 N/m2.

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter6: Fundamental Dimensions And Units

Section: Chapter Questions

Problem 49P

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Concept explainers

Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.

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3. Calculate the percentage increase in length of a wire of diameter 2.5 mm stretched by
a force equal to the weight of 100 kg. Given that Y for wire is 12.5 x 1010 N/m².

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