1. | Moment of inertia of a disc about an axis which is tangent and parallel to its plane is I. then the moment of inertia of disc about a tangent,, but perpendicular to its plane will be (MHT-CET-2005) (a)  (b)  (c)  (d)  |
2. | If radius of solid sphere is doubled by keeping its mass constant, then (a)  (b)  (c)  (d)  Answer: (a) |
3. | Calculate the M.I. of a thin uniform ring about an axis tangent to the ring and in a plane of the ring, if its M.I. about an axis passing through the centre and perpendicular to plane is 4 kg m2. (MHT-CET-2006) (a) 12 kg m2 (b) 3 kg m2 (c) 6 kg m2 (d) 9 kg m2 Answer: (c) |
4. | By keeping moment of inertia of a body constant, if we double the time period, then angular momentum of body (MHT-CET-2005) (a) Remains constant (b) Becomes half (c) Doubles (d) Quadruples Answer: (b) |
5. |  represents (MH-CET 2003)(a) Rotational kinetic energy of a particle. (b) Potential energy of a particle (c) Torque on a particle (d) Power Answer: (a) |
6. | The M.I. of a disc about an axis passing through its centre and perpendicular to plane is  , then its M.I. about a tangent parallel to its diameter is [MH-CET 2002](a) (b)  (c)  (d)  Answer: (c) |
7. | The M.I. of disc about an axis perpendicular to its plane and passing through its centre is  Its M.I. about a tangent perpendicular to its plane will be (MH-CET 2002)(a)  (b) (c)  (d) Cannot be determined Answer: (b) |
8. | The torque acting is 2000Nm with an angular acceleration of 2 rad/s2. the moment of inertia of body is (MHT-CET-2004) (a) 1200 kgm2 (b) 900 kgm2 (c) 1000 kgm2 (d) Can’t say Answer: (d) |
9. | Four solid spheres each of mass M and diameter 2r, are placed with their centers on the four corners of a square of side a (> 2r). the moment of inertia of the system about one side of square is (DEC 92) (a)  (b)  (c)  (d)  Answer: (d) |
10. | For increasing the angular velocity of a object by 10%, the kinetic energy has to be increased by (MHT-CET-2001) (a) 40% (b) 20% (c) 10% (d) 21% Answer: (d) |
