Answered: 2. A steel wire having cross-sectional…

2. A steel wire having cross-sectional area 1 mm² is stretched by 10 N. Find the lateral strain produced in the wire. Young's modulus for steel is 2 x 1011 N/m² and Poisson's ratio is 0.291.

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter12: Static Equilibrium And Elasticity

Section: Chapter Questions

Problem 42AP: Review. A wire of length L, Youngs modulus Y, and cross-sectional area A is stretched elastically by...

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Concept explainers

Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).

Question

2.
A steel wire having cross-sectional area 1 mm² is stretched by 10
N. Find the lateral strain produced in the wire. Young's modulus
for steel is 2 x 10¹1 N/m² and Poisson's ratio is 0.291.

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