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System of Particles and Rotational Motion
3 Theory MCQ Tests × 10 Questions
Test 1 – System of Particles and Rotational Motion
1. For a body moving with relativistic speed, if its velocity is doubled, its linear momentum will:
2. The centre of mass of a system of particles is at the origin. Which statement necessarily follows?
3. If the Earth did not rotate on its axis, winds would:
4. When a calcite crystal is placed over a dot and rotated, the observed image is:
5. When a football rolls along the ground in a straight line, the path followed by its centre of mass is:
6. When a disc rotates with uniform angular velocity, which statement is NOT true?
7. The angular momentum of a system of particles is not conserved when:
8. Rotation as well as translation motion is an example of:
9. The motion in which all points of a moving body move uniformly in the same line or direction is called:
10. A sphere cannot roll on:
Test 2 – System of Particles and Rotational Motion
1. Which of the following statements about frame of reference is correct according to the source?
2. For a particle moving with uniform velocity along a straight line, its angular momentum is zero about:
3. For the system described in the source, an external force is required when the centre of the system moves in a circle with uniform speed because:
4. Which of the following has the largest moment of inertia about the stated central axis?
5. The moment of inertia of a body comes into play primarily in:
6. Two unequal masses are separated by a compressed spring. When the cord is burnt and the spring is released, the two masses fly apart with equal:
7. Which quantity is zero when a uniform object is supported at its centre of gravity?
8. A potter's wheel executes:
9. A body falling vertically under gravity breaks into two unequal parts. The centre of mass of the two parts together shifts horizontally:
10. Two particles initially at rest move towards each other under a mutual force of attraction. Their centre of mass speed remains:
Test 3 – System of Particles and Rotational Motion
1. The centre of mass of a system of particles is a point:
2. The angular velocity vector is directed along:
3. Rolling without slipping is an example of:
4. For which of the following can the centre of mass lie outside the material of the body?
5. A man sitting on a revolving table stretches his arms outward. The angular speed of the table:
6. For an earth satellite moving in a circular orbit, which quantity is conserved according to the source?
7. A ball moves inside a closed box that is kept on a smooth surface. The velocity of the centre of mass of the:
8. In pure rotation, the centre of mass of the body:
9. Can the centre of gravity of a body be situated outside the material of the body?
10. A couple produces:
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