ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 479

Question 2391

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What is the significance of internal forces in the decay of a radium nucleus?

They increase the total momentum
They change the center of mass velocity
They do not change the total momentum of the system
They stop the motion

Question 2392

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What type of motion do the stars in a binary system exhibit in the lab frame?

Only orbital motion
Only linear motion
Oscillatory motion
Combination of uniform motion and orbital motion

Question 2393

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In the center of mass frame of a binary star system, how do the stars move?

In straight lines
In circular orbits about the center of mass
With random motion
Stationary

Question 2394

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What is the advantage of using the center of mass frame in physics problems?

Increases complexity
Simplifies the analysis of motion
Makes energy non-conservative
Eliminates gravity

Question 2395

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In a binary star system with no external forces, how does the center of mass move?

In a circular path
With increasing speed
Uniformly in a straight line
In a parabolic path