Exam-style question
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Define the centre of mass and explain its significance in determining the stability of an object.
Model answer
What a good answer should say
- The centre of mass is the point at which the mass of an object is concentrated and around which the object's mass is evenly distributed.
- It is significant for stability because an object is stable if its centre of mass is above its base of support; if the centre of mass moves outside this base, the object will topple.
Explanation
Why this works
This question tests the understanding of the concept of centre of mass and its application to stability. A strong answer clearly defines the term and connects it to the practical implications for stability, demonstrating a solid grasp of the physical principles involved.
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