A faucet handle and jar lid are simple machines.
A cookie jar uses a screw.
Example of a lever.
A complex machine.
A train is not a simple machine.
Yes. It is a screw action, which is a simple machine.
A faucet handle and jar lid are simple machines.
Screw
The lid of the jar is a screw unless the lid pops on & off...
It is a type of Nut and Bolt
A cookie jar has a lid so it opens and closes.---- ----
inclined plane and screw
some are screws (wedge), but others aren't.
screw-basically an inclined plane
A screw, which is basically a wrapped incline.
A cookie jar has a lid so it opens and closes.---- ----
Screw