pulley, incline plane, wedge
A CATAPULT IS A LEVER!!!
lever and batterys
Lever.
lever,wedge
The two simple machines are a lever and a fulcrum.
A CATAPULT IS A LEVER!!!
as you'll see the pulley and wheel and axle are modified forms of the lever, and the screw and wedge are modified forms of the incline plane.
lever
Lever
lever and batterys
I believe that it is a lever
a lever
lever
a lever
lever
lever
A lever.