Model Questions JAC Board – Rotational Motion – A

All the particles of a body have same velocity at any instant of time. The type of motion is

Centre of mass of a line-rod of length 5 m is 

All the particles of a body have same angular velocity at any instant of time. The type of motion is

Which of the following sentences is false about couple?

Moment of inertia in rotational motion is what ________ is in translational motion. 

Moment of inertia of a thin circular ring having mass M and radius R is

Moment of inertia of a thin rod having mass M and length L is

A body having moment of inertia, \(I\) is rotating with angular acceleration, \(\alpha\). The torque acting on it is

Angular momentum of a body having moment of inertia , \(I\), and angular velocity \(w\) is

What is the \(power\) consumed by a torque, \(\tau\), which maintains the rotation of a body at angular velocity \(w\)?