ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 61

Question 301

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How does the conservation of angular momentum apply to celestial bodies?

It causes gravitational collapse
It stops planetary motion
It makes planets spherical
It explains stability of planetary orbits and rotational speeds

Question 302

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What is the result of the cross product of two parallel vectors?

Sum of the vectors
Difference of the vectors
Unit vector
Zero vector

Question 303

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What is the primary factor that distinguishes rotational from translational motion in rigid bodies?

Mass of the body
Speed of motion
Temperature of the environment
Presence of a fixed axis or point

Question 304

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How does a fixed axis constrain the motion of a rigid body?

It allows free translation
It causes vibration
It allows rotation and translation
It allows only rotation about that axis

Question 305

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What is the direction of the position vector r in v = ω × r for a rotating particle?

From the particle to the origin
Tangential to the path
Perpendicular to the axis
From the origin (fixed point) to the particle