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).

kilogram, (kg), measure of mass
Joule,(J), measure of energy
Metre, (m), measure of distance
Metre/second, (m/s), measure of speed
Metre/second2, (m/s2), measure of acceleration
Newton, (N), measure of force
Second, (s), measure of time
Watt, (W), measure of power