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EnglandPhysicsQuick questions
3 Forces and motion
Quick questions on Newton's laws and momentum: conservation, impulse and collisions - OCR A-Level Physics A
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are newton's three laws?Show answer
The momentum form of the second law is the more general statement and is essential where mass changes or where a force acts over a time interval.
What is q1?Show answer
State Newton's second law in terms of momentum. [1 mark]
What is q2?Show answer
A ball moving at is stopped in . Find the average force. [2 marks]
What is q3?Show answer
State the difference between an elastic and an inelastic collision. [2 marks]
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