Physics GCSE
Mass
What Mass means in Physics GCSE, as defined for AQA, OCR.
Definitions of Mass
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Reference: AQA
Measured in kilograms (kg) with the symbol m, it is the quantity of matter in an object and resists a change in motion.
The m in W = m g, kept in kilograms, and unchanged by location while weight changes with g.
The amount of matter in an object. A measure of its inertia. Measured in kilograms (kg).
Topics that use Mass
- Newton's Second Law (AQA GCSE)
- Forces in action (OCR GCSE)
- Newton's laws (OCR GCSE)
Related terms
- balanced forces
- Gravitational potential energy
- Inertial mass
- Newton's second law
- Rearranging formulae
- Resultant force
- SI units and unit conversion
- Weight
Using Mass in the exam
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