Exam-style question
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What happens to the center of mass of an object when it is cut into two equal halves?.
- A.It remains at the same point
- B.It moves to one of the halves
- C.It moves to the edge of the cut
- D.It becomes undefined
Model answer
What a good answer should say
- It remains at the same point
Explanation
Why this works
When an object is cut into two equal halves, the center of mass remains at the same point as it was before the cut, as the mass distribution is symmetrical.
Common mistake
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