Q. A beam of metal supported at the two ends is loaded at the centre. The depression at the centre is proportional to
A) $Y^{2}$
B) $Y$
C) $1/Y$
D) $1/Y^{2}$
Explanation
(c) Depression in beam
$\delta = \frac{WL^{3}}{4Ybd^{3}}$
$\therefore\delta \propto \frac{1}{Y}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.