Physics A-Level
Mass and the kilogram
What Mass and the kilogram means in Physics A-Level, as defined for OCR.
Definition of Mass and the kilogram
Check what you remember
Read the wording for your board, then hide it and explain Mass and the kilogram in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Mass measures the quantity of matter, and its S.I. base unit is the kilogram (kg), which is unusual because it already contains a prefix.
Topics that use Mass and the kilogram
- S.I. units (OCR A-Level)
Related terms
- Avogadro constant
- Base units
- Derived units
- Dimensional analysis
- Molar calculations
- Prefixes and unit conversion
- S.I. base quantities
- S.I. base units
Using Mass and the kilogram in the exam
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