Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- Two circular rings A and B of radii nR and R are made from the same wire. The MI of A about an axis passing through the centre...
- Four particles each of mass m are lying symmetrically on the rim of a disc of mass M and radius R. Moment of inertia of this...
- Moment of inertia of a thin uniform rod rotating about the perpendicular axis passing through its centre is I. If the same rod is...
- A thin circular ring of mass m and radius R is rotating about its axis with a constant angular velocity . Two objects each of...
- Bodies of regular geometrical shape were allowed to roll on a horizontal surface. It was found that for one rolling body...
- A particle of mass 2 kg is on a smooth horizontal table and moves in a circular path of radius 0.6 m. The height of the table...
- The mass of the earth is increasing at the rate of 1 part in 5 10^ 19 per day by the attraction of meteors falling normally on...
- A uniform rod AB of mass m and length l at rest on a smooth horizontal surface. An impulse P is applied to the end B. The time...
- A hoop of radius r and mass m rotating with an angular velocity _0 is placed on a rough horizontal surface. The initial velocity...
- A child is standing with folded hands at the centre of a platform rotating about its central axis. The kinetic energy of the...
- Two wheels of radii 10 cm and 30 cm are connected to each other by a belt. What is the ratio of the moment of inertia of the...
- A solid sphere is given a kinetic energy E. What fraction of kinetic energy is associated with rotation?
- A body having a moment of inertia about its axis of rotation equal to 3 kg ,m^2 is rotating with angular velocity of 3 rad ,s^ -1...
- A solid cylinder of mass 20 kg rotates about its axis with angular speed 100 rad ,s^ -1 . The radius of the cylinder is 0.25 m....
- A ring of mass M and radius R is rotating about its axis with angular velocity . Two identical bodies each of mass m are now...
- The moments of inertia of two rotating bodies A and B are I_1 and I_2, where I_2 > I_1. If K_A and K_B are their rotational...
- A thin uniform rod has mass M and length L. The moment of inertia about an axis perpendicular to it and passing through the point...
- The ratio of radius of gyration of a ring to a disc (both circular) of same radii and mass, about a tangential axis perpendicular...
- Three point masses, each of mass m are placed at the corners of an equilateral triangle of side l. The moment of inertia of the...
- Two circular loops A and B of radii R and NR respectively are made from a uniform wire. Moment of inertia of B about its axis is...
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