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Find Young's modulus if the strain equal ( 0.0002 ) and stress equal ( 80 N/mm2) * 0.02 O 0.0 4 0.0 8 O 0.016

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter12: Static Equilibrium And Elasticity

Section: Chapter Questions

Problem 19CQ: Can Young’s modulus have a negative value? What about the bulk modulus?

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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

Find Young's modulus if the strain equal (
0.0002) and stress equal ( 80 N/mm2)
0.02
0.0 4
0.0 8
O 0.016

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