Chapter 6: Momentum, Impulse and Collisions

A-level PhysicsModule 3: Forces & Motion8 topicsHigher

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alevel · physics · Module 3: Forces & Motion · All papers

Releases 1 August 2026

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Module 3: Forces and Motion: Momentum, Impulse and Collisions - Authored Long Answer Questions

Examiner-style long-answer practice with automatic marking, improvement advice and ProofCoach tracking.

4 questions25 marks37.5 min

standard / hard

6 marksdescribestandardOCR A

For Momentum, Impulse and Collisions, describe how momentum conservation and impulse applies to crash trolley colliding with a stationary trolley.

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6 markscalculatehardOCR A

Using crash trolley colliding with a stationary trolley, calculate a relevant OCR A Momentum, Impulse and Collisions quantity and explain the physical or chemical meaning of the answer. Show equation, substitution, answer and unit.

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7 marksexplainhardOCR A

Momentum, Impulse and Collisions - data from: crash trolley colliding with a stationary trolley

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The graph for Momentum, Impulse and Collisions shows data from crash trolley colliding with a stationary trolley. Explain the pattern using the data and relevant physics principles.

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6 marksevaluatestandardOCR A

In crash trolley colliding with a stationary trolley, evaluate the experimental method or model assumptions used when applying momentum conservation and impulse.

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5. Materials, Hooke's Law and Young Modulus

End of Module 3: Forces & Motion

Key learning objectives

Understand the key principles behind Momentum, Impulse and Collisions.
Apply these ideas to exam-style questions.
Recall the essential definitions and key terms.