The types of the levers and the importance of each of them

The levers

 

People use the levers but they do not know the type of them and how to determine the type of any lever .

 

Do you know that the levers are classified according to the location of the effort force , the resistance force and the fulcrum ?

 

The structure and the importance of the levers

 

The levers are very important in our life to perform tasks more easily .

The levers are the most common simple machines which they help man to perform heavy tasks easily . They were first described in 260 B.C .