Explore the idea
Collisions
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.
H156 v2.0 · May 2026
See it in an exam
No exam example linked yet. You can still explore the explanation and related topics.
PhysicsUK practice
No PhysicsUK question linked yet. New eligible questions appear here as the bank grows.