Question
Asked Jan 11, 2020
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A structural steel rod has a radius of 10mm and length of 1.0m. A 100kN force stretches it along its length. Calculate (a) stress (b) elongation Young's modulus of structural steel is 2.0*10 11N/m2.

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Expert Answer

Step 1

Write the expression for stress.

Physics homework question answer, step 1, image 1
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Step 2

(a)Substitute the values in equation (I) to find the stress.

Physics homework question answer, step 2, image 1
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Step 3

(b)Write the expression...

Physics homework question answer, step 3, image 1
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