Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- A thin uniform of length 2 m, cross sectional area 'A' and density 'd' is rotated about an axis passing through the centre and...
- A ball is dropped from a height of 20 m. If the coefficient of restitution for the collision between ball and floor is 0.5, after...
- Two discs of same mass and different radii are made of different materials such that their thickness are 1 cm and 0.5 cm...
- 100 balls each of mass m moving with speed v simultaneously strike a wall normally and reflected back with same speed, in time t...
- A solid sphere of mass 1 kg rolls without slipping on a plane surface. Its kinetic energy is 7 10^ -3 J. The speed of the centre...
- STATEMENT-1 : In an elastic collision between two bodies, the relative speed of the bodies after collision is equal to the...
- STATEMENT-1 : If there is no external torque on a body about its center of mass, then the velocity of the center of mass remains...
- Two balls, having linear momenta p_1 = p i and p_2 = -p i, undergo a collision in free space. There is no external force acting...
- If the resultant of all the external forces acting on a system of particles is zero, then from an inertial frame, one can surely...
- Two identical particles move towards each other with velocity 2v and v respectively. The velocity of centre of mass is
- Initial angular velocity of a circular disc of mass M is _1. Then two small spheres of mass m are attached gently to...
- Moment of inertia of a circular wire of mass M and radius R about its diameter is
- Consider the following two statements: (A) Linear momentum of a system of particles is zero (B) Kinetic energy of a system of...
- A circular disc X of radius R is made from an iron plate of thickness t, and another disc Y of radius 4R is made from an iron...
- A particle performing uniform circular motion has angular frequency is doubled & its kinetic energy halved, then the new angular...
- Let F be the force acting on a particle having position vector r and T be the torque of this force about the origin. Then
- Two spherical bodies of mass M and 5M & radii R & 2R respectively are released in free space with initial separation between...
- A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same which one of the following...
- One solid sphere A and another hollow sphere B are of same mass and same outer radii. Their moment of inertia about their...
- A body A of mass M while falling vertically downwards under gravity breaks into two parts; a body B of mass 1/3M and a body C of...
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