Post Utme Nile University 2021 Physics Question 26

Practice objective / multiple choice question 26 from the 2021 Post Utme Nile University Physics examination.

Post Utme Nile University 2021 Physics Objective / Multiple Choice
Question 26 POST_UTME_NILE_UNIVERSITY • 2021 • PHYSICS • objective

A solid cylindrical rod of radius $r$ and length $L$ is made of a material with Young's modulus $Y$. If a force $F$ is applied \tangentially to the rod, cau\sing it to ext\end by a dis\tance $Delta L$, what is the strain $epsilon$ in terms of $F$, $L$, $r$, and $Y$?

Answer Options

Correct Answer A. \frac{F L}{Y \pi r^2}
B. \frac{F L}{Y r^2}
C. \frac{F L}{Y r}
D. \frac{F L}{Y \pi r}
Correct Answer
A
Correct Option:
\frac{F L}{Y \pi r^2}

About This Question

This is Post Utme Nile University 2021 Physics Question 26. It is one of the objective questions from the 2021 Post Utme Nile University Physics examination.

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