Question

A square laminar sheet with side a and mass M, has mass per unit area given by $\sigma(x)=\sigma_0[1-\frac{x}{a}]$, (see figure). Moment of inertia of the sheet about y-axis is

• A. $\frac{Ma^2}{2}$
• B. $\frac{Ma^2}{4}$
• C. $\frac{Ma^2}{6}$
• D. $\frac{Ma^2}{12}$

Answer 1

Answer: (C)

$\frac{Ma^2}{6}$

Answer 2

The correct answer is (C) : $\frac{Ma^2}{6}$