Learning objective
Explain why centripetal force acts towards the centre of circular motion.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Periodic motion
Subtopic
Circular motion
Aqa A Level PhysicsFurther mechanics and thermal physics
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Quick explanation
Explain why centripetal force acts towards the centre of circular motion
- This point belongs to Periodic motion, especially Circular motion.
- You need to be able to explain why centripetal force acts towards the centre of circular motion.
- The key ideas to know are circular motion and centripetal force.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
circular motioncentripetal force
Why it matters
This objective helps connect Circular motion to exam-style questions, flashcards, and revision notes for Periodic motion.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Define angular speed and link it to period and frequency.
Circular motion
- Calculate centripetal acceleration and centripetal force.
Circular motion
- Apply circular motion to vehicles, satellites and rotating systems.
Circular motion
- Define simple harmonic motion using acceleration and displacement.
Simple harmonic motion
- Use displacement, velocity and acceleration relationships in SHM.
Simple harmonic motion