ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 649

Question 3241

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On what factors does the moment of inertia of a body depend?

Only on total mass
Only on shape
Only on speed
Mass and its distribution relative to the axis of rotation

Question 3242

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What is moment of inertia analogous to in linear motion?

Force
Velocity
Acceleration
Mass

Question 3243

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How does a diver increase rotational speed during a dive?

By extending arms and legs
By increasing body mass
By reducing speed
By pulling arms and legs closer to the body

Question 3244

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What happens to the total angular momentum of a system if no external torque acts on it?

It decreases continuously
It becomes zero
It increases rapidly
It remains constant

Question 3245

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How is the angular momentum of a particle defined?

As mass times velocity
As force times distance
As energy divided by time
As the cross product of position and linear momentum vectors