Physics questions
20027 published questions with worked solutions.
- Moment of inertia of disc about the tangent parallel to plane is I. The moment of inertia of disc about tangent and perpendicular...
- The M.I. of a uniform disc about the diameter is I. Its M.I. about an axis perpendicular to its plane and passing through a point...
- A rigid body can be hinged about any point on the axis. When it is hinged such that the hinge is at x, the moment of inertia is...
- A circular disc of moment of inertia I_t is rotating in a horizontal plane about its symmetry axis with a constant angular speed...
- A cord is wound around the circumference of wheel of radius 'r'. The axis of the wheel is horizontal and moment of inertia about...
- The rate of change of angular momentum is called [RAS 1993]
- M.I. of a thin uniform rod about the axis passing through its centre and ^r to its length is ML^2 12 . The rod is cut...
- A small object of uniform density rolls up a curved surface with an initial velocity 'v'. It reaches up to a maximum height of...
- A fly wheel is rotating with a definite angular velocity. Suddenly a fragment from its edge breaks-off and falls away. Its M.I....
- A body of mass 3 kg is moving along the line 5y = 12x + 39 with a velocity 5 m/s. At t = 0, it is at the point (2, 3). Find the...
- A body at rest starts from top of a smooth inclined plane and requires 4 second to reach bottom. How much time does it take,...
- A sphere rolls on the surface with velocity v. It encounters a smooth frictionless incline of height h which it needs to climb....
- Two rings are placed with common centres such that their planes are perpendicular. Two more rings are placed concentric with the...
- By keeping moment of inertia of a body constant, if we double the time period, then angular momentum of body [MH-CET 2005]
- The kinetic energy of a body is 4 joule and its moment of inertia is 2 kg ,m^2 . Angular momentum is [MH-CET 2008]
- A thin horizontal circular disc is rotating about a vertical axis passing through its centre. An insect is at rest at a point...
- When a mass is rotating in a plane about a fixed point, its angular momentum is directed along [CBSE PMT (Prelims) 2012]
- Dimensions of angular momentum are [MH-CET 2004]
- Two particles of masses m and M are a distance d apart and constitute a system. If v is the frequency of revolution about the...
- When torque acting on a rotating body is zero, then which of the following remains constant? [RPMT 1997]