- Draw a graph depicting a skydivers speed against time when jumping from a plane, until he deploys his parachute, explaining the logic of your answer through the forces applicable to the body.
- A person swims from a depth of 0.50 m to a depth of 1.70 m below the surface of the sea. Density of the sea water = 1030 kg/m^3. Gravitational field strength = 9.8 N/kg. Calculate the increase in pressure on the swimmer. Give the unit.
- Explain why the stability of a car can be improved by widening the wheel base and lowering the centre of gravity.
- What is the density of a rock (mass 75g) submerged in water which displaced by a volume of 37.5cm^3? SI units
- Describe how you could find the density of a cube of metal? (4 marks) (Example from GCSE bitesize)