I would say that its got a wheel and axle and a wedge.
The escalator is a type of inclined plane, where motion is at an angle instead of straight up as in an elevator.
A train is not a simple machine.
what is the different kind of simple machine ?wedge, screw, inclined plane, pulley,wheel.
eh
A compound machine.
It's a simple machine.
incline plane
inclined plane
Is a inclined plane
Inclined plane
An Inclined Plane
a inclined plane
inclined plane (wedge)
inclined plane
an incline plane
an inclined plane
Since it slopes up I would put in inclined plane.