Problem Solving...The cross-sectional area of the bar is 5 cm2.Use E= 70 GPa for aluminum, and E= 200 GPa for steel.AluminumSteelAluminum80 kN20 kN30 kN70 kNA3 m-4 m-5 m--What is the elongation in segment AB (Aluminum)? *-7.8571 x10^-3 mO6.8571 x10^-3 mO -6.8571 x10^-3 m7.8571 x10^-3 m

Answered: Image /qna-images/answer/e30e98c7-b637-47d0-9a5d-ee5397f2e55d.jpg

he cross-sectional area of the bar is 5 cm?. se E = 70 GPa for aluminum, and E= 200 GPa for steel. L. Aluminum Steel Aluminum 80 kN 20 kN 30 kN 70 kN D A e3m 4m 5 m - at is the elongation in segment AB (Aluminum)? * -7.8571 x10^-3 m 6.8571 x10^-3 m -6.8571 x10^-3 m 7.8571 x104-3 m

he cross-sectional area of the bar is 5 cm?. se E = 70 GPa for aluminum, and E= 200 GPa for steel. L. Aluminum Steel Aluminum 80 kN 20 kN 30 kN 70 kN D A e3m 4m 5 m - at is the elongation in segment AB (Aluminum)? * -7.8571 x10^-3 m 6.8571 x10^-3 m -6.8571 x10^-3 m 7.8571 x104-3 m

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter9: Solids And Fluids

Section: Chapter Questions

Problem 4WUE

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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

Problem Solving...
The cross-sectional area of the bar is 5 cm2.
Use E= 70 GPa for aluminum, and E= 200 GPa for steel.
Aluminum
Steel
Aluminum
80 kN
20 kN
30 kN
70 kN
A
3 m
-4 m-
5 m-
-
What is the elongation in segment AB (Aluminum)? *
-7.8571 x10^-3 m
O6.8571 x10^-3 m
O -6.8571 x10^-3 m
7.8571 x10^-3 m

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