Exam-style question
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Explain why centripetal force acts towards the centre of circular motion.
Model answer
What a good answer should say
- Centripetal force acts towards the centre of circular motion because it is the net force required to keep an object moving in a circular path.
- This force continuously changes the direction of the object's velocity, ensuring it remains in circular motion rather than moving off in a straight line due to inertia.
Explanation
Why this works
This answer demonstrates an understanding of the concept of centripetal force and its role in circular motion. It tests the student's ability to connect the physical principles of force and motion in a circular context.
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