ause the boigraphical heat which is being given off which can not escape from the jar because they are designed to be sealed as tight as the owner wants them to be!
Until it dies.
Because there is a bunch of air sitting on top of it, trying to keep it closed. That is what "air pressure" means.
The bottle will just feel like a bottle full of air. In order for it to float like a balloon filled with helium, it would have to weigh less than air or you would need to fill the bottle to well over its capacity. 1 cubic meter of helium is required to lift 1kg.
The Helium gas will expand and rise into the suurounding the air as it is less dense and lighter air. Depending on the amount of helium and the size of the room the Helium could displace the breathable mix in the space and become a danger to health.
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