Rotational Motion · Physics · COMEDK
Start PracticeMCQ (Single Correct Answer)
COMEDK 2024 Evening Shift
A solid cylinder of mass $$2 \mathrm{~kg}$$ and radius $$0.2 \mathrm{~m}$$ is rotating about its own axis without friction with angular velocity $$5 \...
COMEDK 2024 Evening Shift
Joule second is the unit of
COMEDK 2024 Morning Shift
A body of mass $$5 \mathrm{~kg}$$ at rest is rotated for $$25 \mathrm{~s}$$ with a constant moment of force $$10 \mathrm{~Nm}$$. Find the work done if...
COMEDK 2023 Morning Shift
A thin circular ring of mass ,$$M$$ and radius $$R$$ rotates about an axis through its centre and perpendicular to its plane, with a constant angular ...
COMEDK 2023 Evening Shift
A wheel is free to rotate about a horizontal axis through O. A force of $$200 \mathrm{~N}$$ is applied at a point $$\mathrm{P} 2 \mathrm{~cm}$$ from t...
COMEDK 2022
A disc of moment of inertia 4 kg - m$$^2$$ revolving with 16 rad/s is placed on another disc of moment of inertia 8 kg - m$$^2$$ revolving 4 rad/s. Th...
COMEDK 2021
Newton's second law of rotational motion of a system particles having angular momentum L is given by
COMEDK 2020
Four particles each of the mass m are placed at
the corners of a square of side length $$l$$. The
radius of gyration of the system about an axis
perpe...
COMEDK 2020
The masses of 200 g and 300 g are attached to
the 20 cm and 70 cm marks of a light meter rod,
respectively. The moment of inertia of the
system about ...