1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A thin rod of length ' 4 L ' and mass ' 4 m ' is bent at the points as shown in the figure. The moment of inertia of the rod about an axis passing through point ' $O$ ' and perpendicular to plane of the paper is

A
$\frac{\mathrm{mL}^2}{3}$
B
$\frac{10 \mathrm{~mL}^2}{3}$
C
$\frac{\mathrm{mL}^2}{12}$
D
$\frac{\mathrm{mL}^2}{24}$
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Four point masses, each of mass ' $m$ ' are arranged in $X-Y$ plane as shown in the figure. The moment of inertia of this system about $X$-axis is

A
$3 \mathrm{ma}^2$
B
$5 \mathrm{ma}^2$
C
$4 \mathrm{ma}^2$
D
$6 \mathrm{ma}^2$
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