Wheel and Axle
A pulley isn't a kind of simple machine, it is a simple machine
A Ferris wheel is a type of simple machine known as a wheel and axle. The wheel is the circular part of the Ferris wheel that rotates, and the axle is the central rod that the wheel spins around.
A train is not a simple machine.
IT's NOT A SIMPLE MACHINE!
its not a simple machine
It is a simple lever.
Rope is not a simple machine on its own, it's a simple machine on a wheel and axle, then it's a pulley.
a compound machine is a combination of simple machines
lever
lever
If it a Ferris wheel then it would be a lever and screws nails.
It's a simple machine.