Systems of Particles and Rotational Motion questions
1884 published questions with worked solutions.
- **Statement 1:** In rolling, all points of a rigid body have the same linear speed. **Statement 2:** The rotational motion does...
- **Statement 1:** Moment of inertia of a particle is the same, whatever be the axis of rotation. **Statement 2:** Moment of...
- **Statement 1:** When a body dropped from a height explodes in mid-air, its centre of mass keeps moving in the vertically...
- **Statement 1:** The speed of a whirlwind in a tornado is alarmingly high. **Statement 2:** If no external torque acts on a body,...
- **Statement 1:** A wheel moving down a perfectly frictionless inclined plane will undergo slipping (not rolling motion)....
- **Statement 1:** Torque due to a force is maximum when the angle between r and F is 90°. **Statement 2:** The SI unit of torque...
- **Statement 1:** The centre of mass of a body may lie where there is no mass. **Statement 2:** The centre of mass of a body is a...
- **Statement 1:** The centre of mass of a proton and an electron, released from their respective positions, remains at rest....
- **Statement 1:** A particle moving on a straight line with uniform velocity has angular momentum that is always zero. **Statement...
- **Statement 1:** The centre of mass of a system of n particles is the weighted average of the position vectors of the n particles...
- **Statement 1:** The centre of mass of a two-particle system lies on the line joining the two particles, being closer to the...
- **Statement 1:** At the centre of the earth, a body has a centre of mass but no centre of gravity. **Statement 2:** Acceleration...
- **Statement 1:** It is harder to open and shut a door if we apply the force near the hinge. **Statement 2:** Torque is maximum at...
- **Statement 1:** The total kinetic energy of a rolling solid sphere is the sum of its translational and rotational kinetic...
- **Statement 1:** A ladder is more apt to slip when you are high up on it than when you have just begun to climb. **Statement 2:**...
- **Statement 1:** A shell at rest, which explodes, has a centre of mass that does not move. **Statement 2:** In an explosion, the...
- **Statement 1:** The centre of mass of an electron and a proton, when released from rest, moves (accelerates) towards the proton....
- **Statement 1:** The position of the centre of mass of a body does not depend upon the shape and size of the body. **Statement...
- **Statement 1:** The radius of gyration of a body is a constant quantity. **Statement 2:** The radius of gyration of a body about...
- **Statement 1:** Inertia and moment of inertia are the same quantity. **Statement 2:** Inertia represents the capacity of a body...
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