Physics questions
20027 published questions with worked solutions.
- A uniform round body of radius R, mass M and moment of inertia I rolls down (without slipping) an inclined plane making an angle...
- The speed of a homogenous solid sphere after rolling down an inclined plane of vertical height h from rest without sliding is
- A solid sphere of mass M and radius R having moment of inertia I about its diameter is recast into a solid disc of radius r and...
- Four point masses, each of value m, are placed at the corners of a square ABCD of side l. The moment of inertia of this system...
- A circular disc of radius R and thickness R 6 has moment of inertia I about an axis passing through its centre and perpendicular...
- If a hollow cylinder and a solid cylinder are allowed to roll down an inclined plane, which will take more time to reach the...
- Eight identical small solid spheres, each of moment of inertia 'I' are recast to form a big solid sphere. M.I. of the big solid...
- A solid cylinder has mass 'M', radius 'R' and length 'l'. Its moment of inertia about an axis passing through its centre and...
- Two solid cylinder P and Q of same mass and same radius start rolling down a fixed inclined plane from the same height at the...
- For increasing the angular velocity of a object by 10%, the kinetic energy has to be increased by
- A mass m is supported by a massless string wound around a uniform hollow cylinder of mass m and radius R. If the string does not...
- A thin rod is placed co-axially within a thin hollow tube which lies on a smooth horizontal table. The rod having the same mass...
- A bob of mass m attached to an inextensible string of length l is suspended from a vertical support. The bob rotates in a...
- A rotating disc of mass M and radius R is brought to rest on its flat surface, which has a coefficient of kinetic friction with...
- A hoop of radius r and mass m rotating with an angular velocity _0 is placed on a rough horizontal surface. The initial velocity...
- The moment of inertia of uniform circular disc about an axis passing through its centre is 6 kg ,m^2 . Its M.I. about an axis...
- A sphere of mass m rolls without slipping on a plane inclined at . The linear acceleration of the sphere will be 5 7 g . The...
- The angular momentum of a rigid body is [RPET 2000]
- If there is change of angular momentum from 1 J to 4 J in 4 second, then the torque is
- The speed of a fan having moment of inertia 0.06 kg ,m^2 is increased from zero to 5 rev/s. Its maximum angular momentum in...