a spraying bottle
A lever.
lever
What type of simple machine is a bottle openerLever: Fulcrum, resistance, applied force.
incline plane
Incorrect. Not all simple machines have a fulcrum. A fulcrum is specifically associated with lever-type machines, while other simple machines, like ramps (inclined planes), pulleys, screws, and wedges, do not utilize a fulcrum in their operation. Each type of simple machine operates on different principles without necessarily involving a fulcrum.
the types of machines are simple machines and compound machines
A see-saw is a type of lever. Levers are simple machines. When you put two or more simple machines together, you get a compound machine. == ==
mechanical
A nail is a type of wedge, rotated through 360°.it is a wedge
Electric motor driving a pump.
That isn't a simple machine, it is a complex machine, made up of other simple machines.
spoon is an example of lever.