Which pulley system is best? Gym memberships can be expensive, but that’s a poor excuse for not doing your best to stay in shape. If you can’t afford the luxury of having a monthly membership to a ...

This GCSE maths resource looks at how pulleys work and is fully-curriculum linked. Download the resource for free to teach KS4 pulleys to your class. What are the advantages of a pulley system?

Introduction Before the industrial age people largely had to rely on muscle power to move and lift heavy objects. Simple machines such as pulleys, levers and ramps made it easier for humans to lift ...

Mechanical systems allow us to perform tasks that would otherwise be very difficult, such as pulley systems that lift objects that would otherwise be far too heavy to move. For example, cranes on ...