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  • A Uniform Steel bar of cross-sectional area A and length L is suspended so that it hangs vertically. The stress at the middle point of the bar is-Option: 1</stro

A Uniform Steel bar of cross-sectional area A and length L is suspended so that it hangs vertically. The stress at the middle point of the bar is-

Option: 1

\frac{L}{2 A} \rho g


Option: 2

\frac{L \rho g}{2}


Option: 3

\frac{L A}{\rho g}


Option: 4

L \rho g


Answers (1)

best_answer

At middle, T = weight of half the length of steel bar

T = \frac{L}{2}A \rho g

\therefore \text Stress = \frac{T}{A} = \frac{L \rho g}{2}

Posted by

Rishi

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