Is a inclined plane
inclined plane
Yes, the simple machine is a lever if you look at the top of a normal playground swing.
inclined plane
An inclined plane
A simple pendulum.
A pulley isn't a kind of simple machine, it is a simple machine
A train is not a simple machine.
IT's NOT A SIMPLE MACHINE!
its not a simple machine
A "spiral" slide. (Which is really a helical slide . . .)
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.