To distinguish between mass and weight, and to know what a force is and explain how they combine together.
To explore the relationship between mass, acceleration and force.
To recall the equation to calculate density and then to investigate the density of everyday objects.
To understand the term pressure and to recall the equation for calculating pressure.
To understand how pivots work as a turning effect and to use this principle to calculate resultant forces.
To investigate the effect forces have on springs and to prove Hooke's Law.