ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge

Question 1096

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What is the moment of inertia of a body if all its mass is concentrated at a distance k from the axis?

Mk
Mk²
M²k
M/k²

Question 1097

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Which of the following best describes rotational inertia?

It is the speed of rotation
It is the force causing rotation
It is the resistance of a body to change in its rotational motion
It is the energy of rotation

Question 1098

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For a pair of masses connected by a light rod and rotating about their center of mass, what happens to the moment of inertia if the separation distance is doubled?

It doubles
It becomes four times larger
It remains the same
It halves

Question 1099

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What is the role of a flywheel in an automobile engine?

To cool down the engine
To convert linear motion to rotational motion
To ensure smooth rotation by resisting speed fluctuations
To reduce fuel consumption

Question 1100

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Which of the following is true about the moment of inertia of a system of particles?

It is the average of the masses times distance
It is the sum of the products of each mass and the square of its distance from the axis
It is the total mass divided by distance
It is the product of total mass and average distance

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