On the other end, the user can apply effort, or a force, to try and move the load. The way levers work is by multiplying the effort exerted by the user. Specifically, to lift and balance an object ...

This video explores different methods that can be use to amplify a force, and focuses on three types of machine - levers, ...

A seesaw is a specific type of lever; it consists of a long beam ... The heavier you are, the larger the gravitational force. To balance the beam again, you need a counteracting force on the ...

Key fact When a lever is balanced it has equilibrium - the load ... First order - the hand’s grip is the applied force, the fulcrum is the pin at the centre of the scissors and the blade applies ...

Save guides, add subjects and pick up where you left off with your BBC account. A simple lever could be a solid beam laid across a pivot. As effort is applied to rotate one end about the pivot.

The genius of Archimedes was to realize that in order to accomplish the same amount or work, one could make a trade-off between force and distance using a lever. His Law of the Lever states ...