ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 545

Question 2721

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For a system of two particles, how is the center of mass located along the line joining them?

At the midpoint
Closer to the lighter particle
At the position of the lighter particle
Closer to the heavier particle

Question 2722

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What is the center of mass of a uniform rod of length L?

At L/4 from one end
At L/3 from one end
At L from one end
At L/2 from either end

Question 2723

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How is the center of mass related to the motion of a rigid body?

It does not move
It rotates about a fixed point
It is always at rest
It moves as if all external forces act on it

Question 2724

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What is the center of mass of a system of particles if the net force is zero?

It accelerates
It stops moving
It moves in a circle
It moves with constant velocity or remains at rest

Question 2725

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Can the center of mass lie outside the physical body?

No, it always lies inside
Only in liquids
Never for solid objects
Yes, as in the case of a ring or a boomerang