MENU

TECHNICAL KNOWLEDGE – 2d. Mechanical Systems (Pulleys)

pulley is a simple machine that makes it easier to lift or move a heavy object. It includes at least one wheel and a length of rope.

How does a pulley system work?

A pulley system gives you a mechanical advantage, that’s technical talk for help.

At it’s simplest a system would includes at least one wheel and a length of rope, though the more wheels you have the less effort you have to put in, but the greater the amount of rope you have to pull.​​​​​​​

How many types of pulley systems are there?

Not sure on the number because you can increase and decrease the number of turns a rope make within a system. Though pulley systems can be made up from the following formations of pulleys, such as

  • fixed,
  • movable and
  • compound pulley.

Have a look at the presentation to see the visual demonstrations of pulley systems.

Lift_-_Pulley_3_100_300

Follow these hyperlinks to learn more:-

  1. Machines
  2. Pulleys Explained

Design Home Page

Icons - Copy

 

Click here for KS2 Curriculum Dashboard (All Subjects)