Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- A disc of moment of inertia 'I_1' is rotating with angular velocity ' _1' about an axis perpendicular to its plane, passing...
- Moment of inertia of the rod about an axis passing through the centre and perpendicular to its length is 'I_1'. The same rod is...
- A disc rolls down a smooth inclined plane without slipping. An inclined plane makes an angle of 60^ with the vertical. The linear...
- A hollow sphere rolls down from the top of inclined plane. Its velocity on reaching the bottom of plane is V_1. When the same...
- The moment of inertia of a thin uniform rod of mass 'M' and length 'L' about an axis passing through a point at a distance L4...
- A body of mass 'm' is suspended from the rigid support by an inextensible string of length 'L' on which another identical body of...
- A disc of radius 0.4 m and mass 1 kg rotates about an axis passing through its centre and perpendicular to its plane. The angular...
- A solid sphere of radius is r is rolling without sliding. The ratio of rotational kinetic energy and total kinetic energy...
- A ring and a disc roll on horizontal surface without slipping with same linear velocity. If both have same mass and total kinetic...
- Three-point masses each of mass 'M' are placed at the corners of an equilateral triangle of side 'a'. The moment of inertia of...
- A solid sphere Has mass 'M' and radius 'R'. Its moment of inertia about a parallel axis passing through a point at a distance R2...
- Two discs A and B of equal mass and thickness have densities 6800 kg/m^3 and 8500 kg/m^3 respectively. The ratio of their moments...
- A cord is wound round the circumference of a wheel of radius 'r'. The axis of the wheel is horizontal and moment of inertia about...
- A thin wire of length 'L' and uniform linear mass density 'm' is bent into a circular loop. The moment of inertia of this loop...
- A thin circular ring of mass 'M' and radius 'r' is rotating about its axis with an angular speed ' '. Two particles each of mass...
- Moment of inertia of a solid sphere about its diameter is 'I'. It is then casted into 27 small spheres of same diameter. The...
- A wheel of radius 2 cm is at rest on the horizontal surface. A point P on the circumference of the wheel is in contact with the...
- A wheel is at rest horizontal position. Its M.I. about vertical axis passing through its centre is 'I'. A constant torque ' '...
- A solid cylinder of mass 'M' and radius 'R' rolls down a smooth inclined plane about its own axis and reaches the bottom with...
- A disc of mass 10 kg and radius 0.1 m is rotating at 120 r. p. m. A retarding torque brings it to rest in 10 s. If the same...
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