Timeline for Why does a sheet of paper stick to the end of a vacuum cleaner?
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 15, 2017 at 16:03 | vote | accept | Gus Hogg-Blake | ||
| May 15, 2017 at 16:00 | comment | added | Martino | Yes, I think you can say it's due to the weight of all the rest of the air. In the case of the wall, it's effectively the vacuum cleaner which is pushed against the wall by pressure, in a sense. The pressure of the region of air near the top of the tube, and near the wall, is lower then in the rest of the room. | |
| May 15, 2017 at 15:58 | comment | added | Gus Hogg-Blake | what about the case where it's against the wall or the floor - in which case it seems like the pressure shouldn't make a difference, because the surface is too solid to be moved by the air pressure? | |
| May 15, 2017 at 15:56 | comment | added | Gus Hogg-Blake | so is it effectively the weight of all the air in the atmosphere pushing against the paper, with nothing pushing from the other side to cancel it out? | |
| May 15, 2017 at 15:55 | history | answered | Martino | CC BY-SA 3.0 |