A train is not a simple machine.
eh
A compound machine.
A wedge
A compound machine.
doorknob is a simple machine which makes something work. It is called lever.
It's two different kindsThe wheel and Axial, and the lever!
A doorknob is a very unique form of lever consisting of a wheel [and naturally a wheel has an axle]. In actuality a wheel IS a battery of an infinite number of levers!
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
It is a simple lever.
u would know this if u are not stupid. but anyway a doorknob and a steeringwheel and a seesaw. and some others
This depends on the kind of doorknob: which material? wood, plastic, Bakelite
Rope is not a simple machine on its own, it's a simple machine on a wheel and axle, then it's a pulley.
What kind of simple machine is a garage door