NEET Physics Systems Of Particles And Rotational Motion MCQs

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NEET Questions / Physics / Systems Of Particles And Rotational Motion

Select Topic

Centre Of Mass

Motion Of Centre Of Mass

Rotational Variables

Rotational Kinematics

Rotational Inertia Of Solid Bodies

Angular Momentum And Conversation Of Angular Momentum

Rotational Dynamics

Rolling Motion

A uniform solid cone of height $h$ and base radius $r$ rolls without slipping on a horizontal plane. The ratio of its rotational kinetic energy to its total kinetic energy is:

3/10

3/13

10/13

1/2

Question Tags

📚 Subject:Physics

📑 Chapter:Systems Of Particles And Rotational Motion

🎯Topic:Centre Of Mass

🎓 Ncert Level:Application

🎯Difficulty :Hard

⚡ Time Required :3 mins

🔄Ncert Concepts :Center of Mass, Rotational Motion, System of Particles and Rotational Motion

A thin uniform disc of mass $M$ and radius $R$ has a small hole of radius $r$ drilled at a distance $d$ from its center. The moment of inertia of the remaining portion about an axis passing through the center of the original disc and perpendicular to its plane is:

$\frac{1}{2} M(R^2 - r^2)$

$\frac{1}{2} M(R^2 - \frac{r^4}{R^2})$

$\frac{1}{2} M(R^2 - \frac{r^4}{R^2} - \frac{2r^2 d^2}{R^2})$

$\frac{1}{2} M(R^2 + r^2 - 2d^2)$