Yes. It is a wheel and axle.
A complex machine.
A train is not a simple machine.
A fulcrum is a part of a simple machine, the lever. Without the fulcrum what is left of the simple machine can no longer increase the applied force and is no longer a simple machine.
yes a door knod is a simple machine
A lever
yes. It is a lever
A toilet seat cover is a lever.
Yes. It is a wheel and axle.
An airplane is not a simple machine. A lever is a simple machine. A wheel is a simple machine. Any machine that can be described by a mathematical formula is a simple machine.
the toilet is made by a special moulding machine
A pulley isn't a kind of simple machine, it is a simple machine
simple machine
simple machine
Its a simple machine which can crush any complex machine
yes it is a simple machine... the wind blowing on the wheel and axle makes it a simple machine
yes , its a simple machine