Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- A ball of mass 0.15 kg hits the wall with its initial speed of 12 ms^ -1 and bounces back without changing its initial speed. If...
- The radius of gyration of a cylindrical rod about an axis of rotation perpendicular to its length and passing through the center...
- A solid spherical ball is rolling on a frictionless horizontal plane surface about its axis of symmetry. The ratio of rotational...
- A batsman hits back a ball of mass 0.4 kg straight in the direction of the bowler without changing its initial speed of 15 ms^ -1...
- A thin circular ring of mass M and radius R is rotating with a constant angular velocity 2 rad s^ -1 in a horizontal plane about...
- A block moving horizontally on a smooth surface with a speed of 40 m/s splits into two parts with masses in the ratio of 1:2. If...
- A body is dropped on ground from a height 'h1' and after hitting the ground, it rebounds to a height 'h2'. If the ratio of the...
- A ring and a solid sphere rotating about an axis passing through their centres have same radii of gyration. The axis of rotation...
- A point mass of 1 kg collides elastically with a stationary point mass of 5 kg. After their collision, the 1 kg mass reverses its...
- A binary star consists of two stars A (mass 2.2M_S) and B (mass 11M_S), where M_S is the mass of the sun. They are separated by...
- Four solid spheres each of diameter 5 cm and mass 0.5 kg are placed with their centers at the corners of a square of side 4 cm....
- Two solid cylinders P and Q of same mass and same radius start rolling down a fixed inclined plane from the same height at the...
- A particle of mass m is projected from the ground with an initial speed u_0 at an angle α with the horizontal. At the highest...
- A uniform circular disc of mass 50 kg and radius 0.4 m is rotating with an angular velocity of 10 rad s⁻¹ about its own axis,...
- The densities of two solid spheres A and B of the same radii R vary with radial distance r as _A(r)=k ( r R ) and _B(r)=k ( r R...
- A uniform wooden stick of mass 1.6 kg and length l rests in an inclined manner on a smooth, vertical wall of height h(<l) such...
- Consider a body of mass 1.0 kg at rest at the origin at time t=0. A force F =( t , i + , j ) is applied on the body, where =1.0...
- A ring and a disc are initially at rest, side by side, at the top of an inclined plane which makes an angle 60° with the...
- A thin and uniform rod of mass M and length L is held vertical on a floor with large friction. The rod is released from rest so...
- A ball balanced on a vertical rod is an example of
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