Forces
Speed and acceleration
The motion of any moving object can be described by its speed– time graph. Data from the graph can be used to calculate acceleration, the distance travelled and the average speed for the motion.
Newton's second law of motion
Sir Isaac Newton’s Laws of motion describe how forces cause changes to the motion of an object, how gravity gives weight to mass; how forces cause acceleration and how forces work in collisions.
Electromagnetism
Magnetism can cause forces to act without any contact. By understanding how permanent magnets and electromagnets work, we can describe and explain their uses in the world around us.
Calculating density
Density is the mass per unit volume of any object. It is calculated by dividing the mass of an object by its volume.
