Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- A thin wire of length one meter and uniform linear density 2 ^2 kg m is bend in to a circular loop with centre at O the moment of...
- A solid sphere has a radius of 5 cm and has a surface density of 5 gr/ cm^2 capable of rotating about any diameter, The M.I. of...
- To have a M.I. of rod (thin uniform) about a transverse axis about 10^ -2 kgm^2 its length should be about (Given mass m = 3 kg)
- A body starts rotating from its equilibrium due to action of torque 2.5 Nm. acting on its. It has rotation K.E. after completion...
- A solid cylinder of mass 2 kg and radius 1/2 m rolls down an inclined plane of height 3 m without slipping, the cm of cylinder at...
- A particle of mass 0.2 kg is fired from a certain origin making an angle 30° with the horizontal. After some instant t see the...
- Two different masses 1 kg and 2 kg are moving with velocities 2 m/sec and 8 m/sec towards each other due to gravitational...
- Moment of inertia of disc of 1 kg about its central axis is 5 kgm^2 . Its moment of inertia about a parallel axis at its edge...
- A rotating system experiences a change in angular speed from 3 rad/sec to 5 rad/sec the rotational change in kinetic energy of...
- A ballet dancer spins about a vertical axis on a turn table at 120 rpm with her arms out stretched. When her arm are folded the...
- A ring of mass 10 kg and radius 0.25 the rolls on the horizontal surface at the rate of 0.5 m/sec. The K.E. of such a ring is :
- A particle performs a rotational motion with an angular moment 4, SI-unit. If the angular frequency of the particle is double and...
- The moment of inertia of a meter scale of mass 0.6 kg about an axis perpendicular to the scale and located at 20 cm on the scale...
- A circular disc of radius R and thickness 1/6^ th of radius has moment of inertia I, about an axis passing through its centre and...
- The position of particle is represented as r =2 i +2 j - k and linear momentum p =3 i +4 j -2 k . The angular moment is found to...
- A wheel of man 10 kg has a moment of inertia of 160 kgm^2 about its own axis, the radius of gyration of wheel about any diameter...
- A solid spherical ball rolls on the inclined plane without slipping. How much in % it has rotational energy as compare to its...
- A disc of mass 0.4 kg rolling on a horizontal surface with uniform velocity 2 m/sec. It has total K.E. as such:
- If earth has M.I. about its an axis about 9.83 10^ 37 kg ,m^2 . The angular momentum of earth about its own axis is :
- A light meter scale has two point masses 2 kg, each fixed at its ends. If the system is rotated about its centre with an angular...
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