ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 636

Question 3176

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Can a system have zero linear momentum but non-zero angular momentum?

No, never
Only in vacuum
Only if moving
Yes, if it is rotating about its center of mass

Question 3177

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What is the effect of increasing the radius of a rotating object on its moment of inertia?

It decreases linearly
It remains unchanged
It increases linearly
It increases quadratically

Question 3178

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How is work done in rotational motion calculated?

As force times linear distance
As mass times acceleration
As torque times time
As the integral of torque with respect to angular displacement

Question 3179

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What determines the time period of a physical pendulum?

Only length
Only mass
Only amplitude
Moment of inertia, mass, and distance from pivot to center of mass

Question 3180

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How does the torque due to gravity act on a freely falling rigid body?

It causes rapid spinning
It stops all motion
It acts only on edges
It produces no torque about the center of mass