Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- The moment of inertia a thin rod mass m and length L about an axis passing through its centre and perpendicular to in plane is :
- For a uniform rectangular plate of mass m, length l and breath b, rotated about transverse axis through its centre its moment of...
- Which of the following has the highest moment of inertia when each of them has the same mass and the same radius?
- Two circular uniform discs A and B are of equal masses and thicknesses but made of metal with densities d_A and d_B (d_A>d_B). If...
- Direction of angular momentum of rotating body in vertical plane is
- A body is moving with constant velocity parallel to X axis, its angular momentum with respect to the origin will
- Angular momentum is the vector product of
- A mass M is moving with constant velocity parallel to X-axis. Its angular momentum with respect to origin is
- A dancer is standing on a stool rotating about the vertical axis passing through its centre. She pulls her arm towards the body...
- A system consists of four particles 1, 2, 3 and 4 gram with their co-ordinate respectively at (2, -3, +1), (1, 2, 3), (4, +2, -1)...
- Two point masses 1/2 kg, 2.5 kg are represented by two position vectors r_1 = i +2 j +3 k and r_2 =- i +3 j +5 k the position...
- Two particles of mass 2 kg and 2.5 kg moves with a velocity of 15 m/sec and 35m/sec. The velocity of their centre of mass moves...
- Two children's one of 20 kg and 35 kg sit at the two ends of a see saw. Each at 3 m from centre of see-saw where the third child...
- A disc has M.I. about an axis passing through its any diameter is 25 kgm^2 . The same disc if rotated about the tangent it has...
- Radius of gyration of disc about any diameter is 25 cm. The same about tangent perpendicular to its plane will be :
- A torque of magnitude 400 Nm acting on a body of mass 4 kg which produces an acceleration of 20 rad/ s^2 . The radius of gyration...
- A body has rotational energy by virtue of its motion is 1000 J has an angular speed of 20 rad/sec in anti clock wise direction....
- A body in rotational motion has a change in angular momentum about 20 S.I. unit for every 4 sec. The rotational force acting on...
- Moment of inertia of thin uniform rod about an axis passing through one end is and perpendicular to its length is 24 kgm^2 . The...
- Radius of gyration of solid sphere about central axis is 2/5 m, it has radius of gyration about tangent at one end is :
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