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Newton’s laws and momentum3.5 Collisions3.5.2
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Course idea

Collisions

OCR A AS Physics · 3.5.2

Explore collisions within newton’s laws and momentum. Forces describe interactions. Momentum helps analyse their effects over time and the changes during collisions, provided you define the system and external forces.

Specification outcomes (3)
  • 3.5.2(a) State and apply the principle of conservation of momentum.
  • 3.5.2(b) Analyse collisions and interactions in one dimension. Two-dimensional collisions belong to A level.
  • 3.5.2(c) Distinguish between perfectly elastic and inelastic collisions.
Open the official OCR AS specification ↗

H156 v2.0 · May 2026

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