Calculate the change in length of a steel rod () that has a length of 0.4 m and a diameter of 6 mm. The rod supports a mass of 80 kg in a standard gravitation field in such a way that a state of uniaxial tension is created in the rod. Make the same calculation for a rod made of aluminum (). Calculate the change in length of a steel rod (Em = 20 x 10¹⁰ Pa) that has a length of 0.4 mand a diameter of 6 mm. The rod supports a mass of 80 kg in a standard gravitation field insuch a way that a state of uniaxial tension is created in the rod. Make the same calculation fora rod made of aluminum (Em = 70 x 10⁹ Pa).

Answered: Calculate the change in length of a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Calculate the change in length of a steel rod () that has a length of 0.4 m and a diameter of 6 mm. The rod supports a mass of 80 kg in a standard gravitation field in such a way that a state of uniaxial tension is created in the rod. Make the same calculation for a rod made of aluminum ().

Calculate the change in length of a steel rod (Em = 20 x 10¹⁰ Pa) that has a length of 0.4 m
and a diameter of 6 mm. The rod supports a mass of 80 kg in a standard gravitation field in
such a way that a state of uniaxial tension is created in the rod. Make the same calculation for
a rod made of aluminum (Em = 70 x 10⁹ Pa).

Expert Solution

Step 1: Determine the given data

Given Data

Length of the rod, L=0.4m

Mass of the rod supports, m=80Kg

Diameter of the rod, D=6 mm

For steel rod-

$straight E subscript straight S equals 20 cross times 10 to the power of 10 space end exponent Pa$

For aluminium rod-

$straight E subscript straight A equals 70 cross times 10 to the power of 9 space Pa$

To determine:

The change in length for steel and aluminium rod

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