A solid sphere is rotating in free space.If the radius of the sphere is increased
A solid sphere is rotating in free space.If the radius of the sphere is increased keeping mass same which one…
7 years ago
Motion of system of Particles and Rigid Body
A flywheel rotating about a fixed axis has a kinetic energy of 360 J when
A flywheel rotating about a fixed axis has a kinetic energy of 360J when its angular speed is 30 rads⁻¹.The…
7 years ago
Moment of inertia, along the diameter of a ring is
Moment of inertia, along the diameter of a ring is Options (a) 3MR² / 2 (b) MR² / 2 (c)…
7 years ago
The moment of inertia of a semicircular ring about the centre is
The moment of inertia of a semicircular ring about the centre is Options (a) MR² (b) MR² / 2 (c)…
7 years ago
A wheel of mass 10 kg has a moment of inertia of 10 kgm² about its own axis
A wheel of mass 10 kg has a moment of inertia of 10 kgm² about its own axis. The radius…
7 years ago
An automobile engine develops 100 kW when rotating at a speed of 1800 rev/min
An automobile engine develops 100 kW when rotating at a speed of 1800 rev/min. The torque that it delivers is…
7 years ago
Ring, hollow ring and solid sphere are rolled down from inclined plane
Ring, hollow ring and solid sphere are rolled down from inclined plane. Which will take less time to reach the…
7 years ago
A wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec
A wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec. The torque need…
7 years ago
The radius of gyration of a solid sphere of radius r about a certain axis is r
The radius of gyration of a solid sphere of radius r about a certain axis is r. The distance of…
7 years ago
The wheel of a car is rotating at the rate of 1200 rev/min. On pressing
The wheel of a car is rotating at the rate of 1200 rev/min. On pressing the accelerator for 10 seconds,…
7 years ago