Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- Two circular loops P and Q are made from a uniform wire. The radii of P and Q are R_1 and R_2 respectively. The moments of...
- A metre scale is supported on a wedge at its centre of gravity. A body of weight 'w' is suspended from the 20 cm mark and another...
- A body of mass 'm' and radius of gyration 'K' has an angular momentum 'L'. Then its angular velocity is [MHT-CET 2019, MHT-CET...
- 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...
- Two identical particles each of mass 'm' are separated by a distance 'd'. The axis of rotation passes through the midpoint of 'd'...
- A body of mass 'm' and radius of gyration 'K' has an angular momentum L. Its angular velocity is [MHT-CET 2019, MHT-CET 2019]
- A mass tied to a string is whirled in a horizontal circular path with a constant angular velocity and its angular momentum is L....
- A disc has mass 'm' and radius 'R'. How much tangential force should be applied to the rim of the disc so as to rotate with...
- A body is rotating about its own axis. Its rotational kinetic energy is 'x' and its angular momentum is 'y'. Hence its moment of...
- Two circular loops P and Q of radii 'r' and 'nr' respectively are made from a uniform wire. Moment of inertia of Q about its axis...
- A solid sphere of radius 'R'. The moment of inertia of a solid sphere about an axis at a distance ( R2 ) from the centre is...
- A solid sphere of mass 'M' and radius 'R' is rotating about its diameter. A solid cylinder of same mass of same radius is also...
- A disc of mass 25 kg and radius 0.2 m is rotating at 240 r. p. m. A retarding torque bring it to rest in 20 s. If the torque is...
- The ratio of radius of gyration of a ring to that of a disc (Both circular) of same radius and mass, about a tangential axis...
- 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...
- An uniform rod AB of mass 'm' and length 'l' is at rest on a smooth horizontal surface. An impulse 'P' is applied to the end B....
- A thin metal rod of mass 'M' and length 'L' is cut into four equal parts by cutting it perpendicular to the length. If moment of...
- The radius of gyration of a uniform rod of mass 'M' and length 'L', rotating about a perpendicular axis passing through a point...
- The same torque is applied to a disc and a ring of equal mass and radii then [MHT-CET 2019, MHT-CET 2019]
- A uniform disc is rotating in a horizontal plane about a vertical axis at the rate of 5 3 rad/s. A bob of wax of mass 0.02 kg...
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