a screw, a lever, a
wedge, and a wheel and axel. The wedge is found on the cutter, the lever is the handle, and the screw is the device that holds the canopener together.
Its a combination of a lever and wedge
A lever .
wedge is another simple machine kind of lever
a mechanical machine
An automobile is a compound machine.
It's a simple machine.
A lever
A train is not a simple machine.
A pulley isn't a kind of simple machine, it is a simple machine
lever
IT's NOT A SIMPLE MACHINE!
what kind of machine is a shear