úvaha zo sprchy: som super silná alebo super slabá, keď niekedy zavriem fľašu tak, že ju potom neviem otvoriť?
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12 komentov
1
james98
30. 5.mája 2022 20:29
To znie ako buddhistické Koany, neriešitelná vec, v oboch prípadoch si to ty ale v inej pozícii.
2
@nats zavries flasu potom ako si z nej pila (alkohol dava energiu), ked ju otvaras si pred pitim (nemas energiu)... vlastne to dava zmysel
7
a potom to este moze mat nieco s fyzikou, tlakom, podtlakom, cim je naplnena, pripadne len s uchopom, vlhkostou ruk/gripom, ..
ale asi to vsetci pozname
ale asi to vsetci pozname
8
@azizi @6 a neplati to iba pre pravakov? ja otvaram lavou a zatvaram pravou lebo je ten uhol vyhodnejsi. a lava ruka je slabsia a preto tiez potrebujem obcas pomoc s otvaranim lavaci vyjadrite sa
9
Bude to pravdepodobne kvôli treniu:
There is two types of friction, static and dynamic friction. Static friction is always greater than dynamic friction. Static friction opposes motion of the object while it is not moving. Dynamic friction is what opposes motion of the object while it is moving.
In a closed lid, turning the bottle cap requires more force because the static friction requires a large force to overcome that friction.
When closing a bottle with a lid, you are moving the cap from no-friction (no contact with the bottle) to dynamic friction. This is why it is easier to close than to open a cap on a bottle.
There is two types of friction, static and dynamic friction. Static friction is always greater than dynamic friction. Static friction opposes motion of the object while it is not moving. Dynamic friction is what opposes motion of the object while it is moving.
In a closed lid, turning the bottle cap requires more force because the static friction requires a large force to overcome that friction.
When closing a bottle with a lid, you are moving the cap from no-friction (no contact with the bottle) to dynamic friction. This is why it is easier to close than to open a cap on a bottle.
11
@manutdman @9 niekde hlboko v duši som to tušila, ale ďakujem za potvrdenie
@lukaso121 sklenenu flasu, ty hnidopich
@lukaso121 sklenenu flasu, ty hnidopich
12
ak ju nevie potom otvorit niekto dalsi, tak super silna, ak vie, tak super slaba. ale to je len taka uvaha.
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