A cast iron rod of diameter 18 mm and length of 240 mm is subjected to a tensile load of 100 kN, and produces an extension of 0.6 mm. Calculate the modulus of elasticity. O a. 112 GPa O b. 103 GPa O c. 123 GPa O d. 125 GPa

A cast iron rod of diameter 18 mm and length of 240 mm is subjected to a tensile load of 100 kN, and produces an extension of 0.6 mm. Calculate the modulus of elasticity. O a. 112 GPa O b. 103 GPa O c. 123 GPa O d. 125 GPa

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter14: Static Equilibrium, Elasticity, And Fracture

Section: Chapter Questions

Problem 50PQ

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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

A cast iron rod of diameter 18 mm and length
of 240 mm is subjected to a tensile load of
100 kN, and produces an extension of 0.6
mm. Calculate the modulus of elasticity.
O a. 112 GPa
O b. 103 GPa
O c. 123 GPa
O d. 125 GPa

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