Law of conservation of momentum
What Law of conservation of momentum means in Physics GCSE, as defined for OCR.
Definition of Law of conservation of momentum
Check what you remember
Read the wording for your board, then hide it and explain Law of conservation of momentum in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The total momentum of the interacting objects before a collision equals the total momentum after it, provided no external resultant force acts on the system.
Topics that use Law of conservation of momentum
- Newton's laws (OCR GCSE)
Related terms
- balanced forces
- changing direction
- Circular motion
- constant velocity
- Directly Proportional
- Distance along the line of action of the force
- energy transfer
- Energy transfer between stores
Using Law of conservation of momentum in the exam
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