GCSE Physics


A car engine provides a force of 2·4 kN. This gives it an acceleration of 2 m/s². This is how we find the vehicle's mass:

Note that the force was given in kilo-newtons (kN), meaning thousand newtons. A common mistake people make is ignoring the units!

Do you know your other prefixes? There are many more here!

GCSE PhysicsForces & Motion Menu