What Is Lever and Types

There are three types of levers: first-class, second class, and third class. The difference between the three classes depends on where the force is, where the fulcrum is and where the load is.

What is called a lever?

Simply put, levers are machines used to increase force. We call them “simple machines” because they have only two parts — the handle and the fulcrum. The handle or bar of the lever is called the “arm” — it’s the part that you push or pull on. The “fulcrum” is the point on which the lever turns or balances.

What is lever types of lever?

• First class lever – the fulcrum is in the middle of the effort and the load.
• Second class lever – the load is in the middle between the fulcrum and the effort.
• Third class lever – the effort is in the middle between the fulcrum and the load.