
Rotational Dynamics
QuizĀ by Sweta Lazarus
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
The moment of inertia of a body does not depend upon the________
The SI unit of moment of inertia is________
The dimensional formula for moment of inertia of a body is______
The dimensional formula for the radius of gyration of a body is______
The SI unit of torque is_______
Which is the axial vector from the following?
The rotational analogue of force is_________
The physical quantity in translational motion, which analogous to torque in rotational motion is________
Torque per unit moment of inertia is________
The physical quantity in translational motion, which isanalogous to moment of inertia in rotational motion is________
Moment of inertia depends upon________
If all the ice on the polar caps of the earth melts, due to global warming then the duration of the day will be________
Which of the following types of circular bodies, Same mass and radius will have the largest moment of inertia ?
A flywheel rotating about a fixed axis has a kinetic energyĀ of 225 J when its angular speed is 30 rad/s. What is the moment of inertia ofĀ the flywheel about its axis of rotation?
The mass of a flywheel is concentrated near its rim. This is done to_______
A wheel of mass 4 kg and radius of gyration 0.4 m is making 300 r.p.m. Its moment of inertia is_______
Two circular rings A and B of radii nR and R are made from the same wire. The M.I. of A about an axis passing through the centre and perpendicular to the plane of A is 27 times that of the smaller loop B. What is the value of n?
When the speed of a flywheel is increased from 240 r.p.m.to 360 r.p.m., the energy spent is 484 J. What is the moment of inertia of the flywheel ?
A torque of 100 N-m acting on a wheel at rest, rotates it throughĀ 200 radian in 10s. What is the moment of inertia of the wheel?
IfĀ the external torque acting on a body is zero, thenĀ its______
When the external torque acting on a system is zero, then thereĀ will be conservation of______
When a torque acting on a system is increased, then which one of the following quantities will increases.
The moment of inertia of a copper disc, rotating about an axis passing through its centre and perpendicular to its plane_______
when a steady torque acts on a body, the body_______
Moment of inertia of a body is considered only in the case of_________
When the external torque acting on a rotating body is zero, the quantity that will remain constant is the_________
The quantity in rotational dynamics analogue to mass in linear motion is
If the polar ice caps melt and spreads uniformly thenĀ length of day
spokes in a bicycle wheel is used to
A ring rolls down an inclined plane. The fraction of total energy thatĀ is associated with rotational motion isĀ