Every vehicle comes with an axle gear ratio number, but not everyone knows why it's important. Here's how to read the ratio ...

The questions in this quiz are suitable for GCSE physics students studying moments, moments and balanced objects, levers and gears. If you struggled with the quiz, don't panic - we've got you!

in different gear systems and calculating the total work done. This short film will be relevant for teaching science at Key Stage 2 or Second Level in Scotland, or physics at Key Stage 3 or Third ...