A fulcrum is part of a lever.
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.
An electric motor is not a simple machine, because it uses electric energy, which is not mechanical energy, which powers simple machines.
Leverage.
a lever
a centrifuge
A fulcrum
What simple machine is the wheel based on? What do we call the “fulcrum” of a wheel?
a slide is an inclined plane
What simple machine is the wheel based on? What do we call the “fulcrum” of a wheel?
A fulcrum.
it's a fulcrum
It's a tool