Lever Simple Machine
a type of simple machine.
There are six simple machines.
Simple+machines+screw
The machine operates on a
Kids use simple machines to
Wooden Simple Machines Model
+axle+simple+machine Lever
A lever is a simple machine,
A lever is a simple machine.
Consisting of simple machines
and lever. 6.
Screws+simple+machines
of Wooden Simple Machines
Spread of Simple Machines
advantage