Simple Machines

 Simple machines are obejects that were made to make work easier. 

A pulley is a rope tied up to a wheel. An
 elevator uses a puller to get people up to a high surface or to a lower surface. Wheel and axle is an axle with wheels at the end. Back then in the olden days wheel and axel were used for wagons but now the wheel and axle can be seen every where like on cars and a skateboard.      

A lever is a stick with a fulcrum, the stick is landscape ontop of the fulcrum. The lever can lift up heavy objects. 

Wedges are used to cut things apart. 

These machines can be helpful to people to complete work faster.