4.1 use the following units: kilogram (kg), joule (J), metre (m), metre/second (m/s), metre/second2 (m/s2), newton (N), second (s), watt (W).
Kilograms measure mass
Joules measure energy
Metres measure distance
Metres/Second measure velocity
Metres/Second2 measure acceleration
Newtons measure weight
Seconds measure time
Watts measure power
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