NORMAL STRAIN 1. A concrete has a height of 5 meters and has unit area of 3 m² supports a weight of 300 kN. Young's modulus of concrete = 20 x 10° N/m². Determine (a) The stress (b) The strain (c) The change in height(8)

NORMAL STRAIN 1. A concrete has a height of 5 meters and has unit area of 3 m² supports a weight of 300 kN. Young's modulus of concrete = 20 x 10° N/m². Determine (a) The stress (b) The strain (c) The change in height(8)

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 46PQ: Use the graph in Figure P14.46 to list the three materials from greatest Youngs modulus to smallest....

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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).

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NORMAL STRAIN
1. A concrete has a height of 5 meters and has unit area of 3 m supports a weight
of 300 kN. Young's modulus of concrete = 20 x 10º N/m².
Determine (a) The stress
(b) The strain
(c) The change in height(8)

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