Flashcard on Levers

Front

What is a lever?

Back

A lever is a simple machine that helps lift or move heavy objects using a fulcrum.

Front

What are the three parts of a lever?

Back

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

Front

What is a fulcrum?

Back

A fulcrum is the point on which a lever pivots or turns.

Front

What is a Class 1 lever?

Back

In a Class 1 lever, the fulcrum is located between the effort and the load.

Front

What is a Class 2 lever?

Back

In a Class 2 lever, the load is located between the effort and the fulcrum.

Front

What is a Class 3 lever?

Back

In a Class 3 lever, the effort is applied between the load and the fulcrum.

Front

Can you give an example of a Class 1 lever?

Back

A seesaw is an example of a Class 1 lever.

Front

Can you give an example of a Class 2 lever?

Back

A wheelbarrow is an example of a Class 2 lever.

Front

Can you give an example of a Class 3 lever?

Back

A pair of tweezers is an example of a Class 3 lever.

Front

What is the benefit of using a lever?

Back

Using a lever requires less effort to lift heavy objects.