16.1 Fundamental S.I. units

AQA Edexcel OCR A OCR B (MEI)
Fundamental S.I. units are not based on anything else. The three fundamental units used most commonly in mechanics are listed below.

Mass is measured in kilograms (\(kg\)).

Length/displacement is measured in metres (\(m\)).

Time is measured in seconds (\(s\)).
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