ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 655

Question 3271

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In what situations can the rigid body model be used effectively?

Only in zero gravity
When the body is very small
When the body is hollow
When deformations are negligible under applied forces

Question 3272

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What happens to a real body when forces are applied, according to the text?

It becomes massless
It turns into a particle
It deforms
It disappears

Question 3273

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Why can planets be treated as rigid bodies in orbital mechanics?

They are made of gas
They have no mass
They rotate very slowly
Their shape changes are negligible compared to their size

Question 3274

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Which of the following real-world objects is often modeled as a rigid body?

Rubber band
Jelly
Cloud of gas
Steel beam

Question 3275

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What defines a rigid body in classical mechanics?

It has zero mass
Its shape changes easily
It is always at rest
The distances between all pairs of particles remain constant