•205. A steel rod having a cross-sectional area of 300mm? and a length of 150m is suspended vertically from one end. It supports a load of 20KN at the lower end. If the unit mass of steel is 7850kg/m³ and E=200x10³MPa, find the total elongation of the rod.

•205. A steel rod having a cross-sectional area of 300mm? and a length of 150m is suspended vertically from one end. It supports a load of 20KN at the lower end. If the unit mass of steel is 7850kg/m³ and E=200x10³MPa, find the total elongation of the rod.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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

•205. A steel rod having a cross-sectional area of 300mm²
and a length of 150m is suspended vertically from one
end. It supports a load of 20KN at the lower end. If the
unit mass of steel is 7850kg/m³ and E=200x10³MPa, find
the total elongation of the rod.

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