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JEE MAIN 2025
04-04-2025 S2
Question
A cylindrical rod of length 1 m and radius 4 cm is mounted vertically. It is subjected to a shear force of $10^5 \mathrm{~N}$ at the top. Considering infinitesimally small displacement in the upper edge, the angular displacement $\theta$ of the rod axis from its original position would be: (shear moduli, $\left.\mathrm{G}=10^{10} \mathrm{~N} / \mathrm{m}^2\right)$
Select the correct option:
A
$1 / 4 \pi$
B
$1 / 40 \pi$
C
$1 / 2 \pi$
D
$1 / 160 \pi$
✓ Correct! Well done.
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