AP EAPCET 2025 - 22nd May Morning Shift | Rotational Motion Question 12 | Physics

Three thin uniform rods each of mass $M$ and length $L$ are placed along the three axes of a cartesian co-ordinate system with one end of all the rods at origin. The moment of inertia of the system of the rods about $Z$-axis is

$\frac{M L^2}{3}$

$\frac{2 M L^2}{3}$

$\frac{M L^2}{2}$

$M L^2$

AP EAPCET 2025 - 21st May Morning Shift

MCQ (Single Correct Answer)

-0

If the radius of gyration of a thin circular ring about an axis passing through its centre and perpendicular to its plane is $10 \sqrt{2} \mathrm{~cm}$, then its radius of gyration about its diameter is

10 cm

20 cm

$10 \sqrt{2} \mathrm{~cm}$

$20 \sqrt{2} \mathrm{~cm}$

AP EAPCET 2025 - 21st May Morning Shift

MCQ (Single Correct Answer)

-0

If a wheel starting from rest is rotating with an angular acceleration of $\pi \mathrm{rad} \mathrm{s}^{-2}$, then the number of rotations made by the wheel in the first 6 seconds time is

AP EAPCET 2024 - 23th May Morning Shift

MCQ (Single Correct Answer)

-0

The moment of inertia of a solid sphere about its diameter is $20 \mathrm{~kg}-\mathrm{m}^2$. The moment of inertia of a thin spherical shell having the same mass and radius about its diameter is

$16.6 \mathrm{~kg}-\mathrm{m}^2$

$30.3 \mathrm{~kg}-\mathrm{m}^2$

$33.3 \mathrm{~kg}-\mathrm{m}^2$

$66.6 \mathrm{~kg}-\mathrm{m}^2$

PREVIOUS NEXT

AP EAPCET Subjects

Browse all chapters by subject