Momentum
What Momentum means in Physics GCSE, as defined for AQA, OCR.
Definitions of Momentum
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Momentum in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A vector quantity that measures how hard it is to stop a moving object, calculated as mass in kilograms multiplied by velocity in metres per second.
A property of moving objects, defined by the equation momentum = mass × velocity, p = m v, measured in kilograms metre per second, kg m/s.
A vector quantity defined as mass multiplied by velocity, p = m × v, measured in kilogram metres per second (kg m/s).
Topics that use Momentum
- Momentum is a property of moving objects (AQA GCSE)
- Newton's laws (OCR GCSE)
Related terms
- vector quantity
- balanced forces
- changing direction
- Circular motion
- constant velocity
- Directly Proportional
- Distance along the line of action of the force
- energy transfer
Using Momentum in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge