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Fulcram
Complex machine
lever What type of simple machine is a tong?
It is a pulley with a wheel and axle
It is not a machine since a simple version of an ordinary chair does not have any moving parts and does not convert energy. It is best classified as a tool and it would be related to an inclined plane. A modern office chair would be composed of several more complex tools. If you consider the rollers on the legs, they would be wheels. If you want to use your imagination they are related to Roman chariots, horse-drawn carriage, or even the modern car as a distant relative.
Fulcram
A pulley isn't a kind of simple machine, it is a simple machine
The type of simple machine that a slope is, is a inclined plane
it is a valve, which is not a simple machine.
a simple machine.
a phone isn't a simple machine stupid
A sink isn't any type of simple machine. It's just a container.
A sink isn't any type of simple machine. It's just a container.
What type of simple machine is a bottle openerLever: Fulcrum, resistance, applied force.
Complex machine
That isn't a simple machine, it is a complex machine, made up of other simple machines.
The type of simple machine a doorstop is, is a wedge.