Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- Some torque is applied to a disc and a ring of equal mass and radii then
- A solid sphere at rests rolls down an inclined plane of vertical height h without sliding. Its speed on reaching the bottom of...
- A man standing on a turn-table is rotating at a certain angular frequency with his arms outstretched. He suddenly folds his arms....
- A sphere of mass 'm', moving with velocity '3u' collides head-on with another identical sphere at rest. If 'e' is coefficient of...
- A rigid body rotates about a fixed axis with variable angular velocity ( - t) at time t, where and are constants. The angle...
- 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 circular hole of diameter R is cut from a disc of mass M and radius R; the circumference of the cut passes through the centre...
- A solid sphere having mass m and radius r rolls down an inclined plane. Then its kinetic energy is
- Two bodies A and B of mass m and 2m respectively are placed on a smooth floor. They are connected by a spring of negligible mass....
- This question has Statement 1 and Statement 2. Of the four choices given after the Statements, choose the one that best describes...
- Two point masses of mass m_1 = fM and m_2 = (1 - f)M (f < 1) are in outer space (far from gravitational influence of other...
- A moving particle of mass m, makes a head on elastic collision with another particle of mass 2m, which is initially at rest. The...
- A satellite moving with velocity v in a force free space collects stationary interplanetary dust at a rate of dM dt = v where M...
- A stone of mass m, tied to the end of a string, is whirled around in a circle on a horizontal frictionless table. The length of...
- A thick-walled hollow sphere has outside radius R_0. It rolls down an incline without slipping and its speed at the bottom is...
- A diatomic molecule is made of two masses m_1 and m_2 which are separated by a distance r. If we calculate its rotational energy...
- This question has Statement - I and Statement - II of the four choices given after the Statements, choose the one that best...
- A bullet of mass 10 g and speed 500 m/s is fired into a door and gets embedded exactly at the centre of the door. The door is 1.0...
- A boy of mass 20 kg is standing on a 80 kg free to move long cart. There is negligible friction between cart and ground....
- A particle of mass 2 kg is moving such that at time t, its position, in meter, is given by r(t) = 5 i - 2t^2 j. The angular...
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