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This lesson covers momentum and the conservation of momentum as required by AQA GCSE Combined Science Trilogy (8464), section 6.5.3. Momentum is a Higher Tier topic — it will only appear on Higher Tier papers. It builds on your knowledge of Newton's laws and is tested through both calculation and explanation questions.
Momentum is a measure of how much "motion" an object has. It depends on both the mass and the velocity of the object.
p=m×v
Where:
Key facts about momentum:
A car of mass 1200 kg travels at 15 m/s to the right. Calculate its momentum.
Solution:
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