11th Physics System of Particles And Rotational Motion MCQ Quiz

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System Of Particles And Rotational Motion MCQ Test

Time: 10 Minutes for 10 Question.

11th Physics: System Of Particles And Rotational Motion

1 / 10

1. A body is in rotational equilibrium if:

The net force acting on it is zero

The net torque acting on it is zero

The net angular momentum is zero

The net angular velocity is zero

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2 / 10

2. The total momentum of a system of particles is equal to:

The product of the total mass and the velocity of the centre of mass

The sum of the individual momenta of the particles

The product of the total mass and the acceleration of the centre of mass

The vector sum of the external forces acting on the system

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3 / 10

3. The centre of mass of a system of particles is:

The geometric centre of the system

The point where the total mass of the system is concentrated

The point where the gravitational force on the system acts

The point about which the system is in rotational equilibrium

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4 / 10

4. The radius of gyration of a body about an axis is:

The distance from the axis to the centre of mass

The distance from the axis to the point where the total mass of the body can be assumed to be concentrated

The distance from the axis to the point where the moment of inertia is maximum

The distance from the axis to the point where the moment of inertia is minimum

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5 / 10

5. The centre of gravity of a body is the point where:

The weight of the body acts

The mass of the body is concentrated

The total torque due to gravity is zero

The total force due to gravity is zero

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6 / 10

6. A rigid body constrained to move along a straight line can have:

Rotational motion only

Translational motion only

Either translational or rotational motion

Neither translational nor rotational motion

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7 / 10

7. The centre of mass of a homogenous thin rod coincides with its:

Geometric centre

Centre of gravity

Midpoint

Endpoint

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8 / 10

8. The time rate of change of angular momentum of a particle is equal to:

The force acting on it

The torque acting on it

The linear momentum of the particle

The angular velocity of the particle

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9 / 10

9. The principle of moments states that:

The sum of the clockwise moments about a point is equal to the sum of the anticlockwise moments about the same point

The sum of the clockwise moments about a point is greater than the sum of the anticlockwise moments about the same point

The sum of the clockwise moments about a point is less than the sum of the anticlockwise moments about the same point

The sum of the clockwise and anticlockwise moments about a point is zero

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10 / 10

10. The energy possessed by the body by virtue of its motion is known as?

Chemical energy

Thermal energy

Potential energy

Kinetic energy

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System Of Particles And Rotational Motion MCQ Test

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