ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge

Question 1071

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How does the radius of gyration of a body change if it is scaled up uniformly?

It decreases
It remains the same
It increases proportionally with size
It becomes zero

Question 1072

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Which of the following best describes the physical significance of moment of inertia?

It measures the total weight
It quantifies how mass is distributed relative to the axis of rotation
It determines the color of the object
It indicates the temperature

Question 1073

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What is the moment of inertia of a system of two point masses, each M, separated by distance d, about an axis through their midpoint perpendicular to the line joining them?

Md²/4
Md²/2
Md²
2Md²

Question 1074

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For a given torque, what happens to angular acceleration if the moment of inertia is halved?

It halves
It remains the same
It doubles
It becomes zero

Question 1075

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What is the rotational analog of mass in linear motion?

Velocity
Force
Acceleration
Moment of inertia

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