Types of Levers

Front

What is a lever?

Back

A lever is a simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum, used to lift or move loads.

Front

What are the three main parts of a lever?

Back

The three main parts of a lever are the load, effort, and fulcrum.

Front

What is the load in a lever?

Back

The load is the part of the lever that you are trying to move or lift.

Front

What is the effort in a lever?

Back

The effort is the force applied to the lever to move the load.

Front

What is the fulcrum in a lever?

Back

The fulcrum is the fixed point around which the lever pivots.

Front

What is a 1st class lever?

Back

A 1st class lever has the fulcrum located between the load and the effort, like a seesaw.

Front

What is a 2nd class lever?

Back

A 2nd class lever has the load located between the fulcrum and the effort, like a wheelbarrow.

Front

What is a 3rd class lever?

Back

A 3rd class lever has the effort located between the fulcrum and the load, like a pair of tweezers.

Front

Can you give an example of a 1st class lever?

Back

An example of a 1st class lever is a seesaw or a pair of scissors.

Front

Can you give an example of a 2nd class lever?

Back

An example of a 2nd class lever is a wheelbarrow or a nutcracker.