AP EAPCET 2025 - 21st May Morning Shift | Rotational Motion Question 13 | Physics

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

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

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

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

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

AP EAPCET 2024 - 23th May Morning Shift

MCQ (Single Correct Answer)

-0

One ring, one solid sphere and one solid cylinder are rolling down on same inclined plane starting from rest The radius of all the three are equal. The object reaches down with maximum velocity is

solid cylinder

solid sphere

ring

solid sphere and ring

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