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WikiCards · Card list · Science cards · Hydrostatic equilibrium
Uncommon card · Science
Hydrostatic equilibrium, an Uncommon card
In fluid mechanics, hydrostatic equilibrium, also called hydrostatic balance and hydrostasy, is the condition of a fluid or plastic solid at rest, which occurs when external forces, such as gravity, are balanced by a pressure-gradient force.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 70
- DEF
- 44
- Power
- 114
- Wikipedia reads a year
- 120,000
Power 114 (ATK + DEF): stronger than 55 % of WikiCards cards.
The facts on the card
The card carries these facts from its Wikipedia article.
- In the planetary physics of Earth, the pressure-gradient force prevents gravity from collapsing the atmosphere of Earth into a thin, dense shell, whereas gravity prevents the pressure-gradient force from diffusing the atmosphere into outer space.
- In general, it is what causes objects in space to be spherical.
- Hydrostatic equilibrium is the distinguishing criterion between dwarf planets and small solar system bodies, and features in astrophysics and planetary geology.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Hydrostatic equilibrium article was read about 120,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 70 and blocks with 44: each hit it takes is cut by 18 %.
How to get Hydrostatic equilibrium
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
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The cards just above and just below Hydrostatic equilibrium in the power ranking, all domains together.
- Command and controlUncommon · History · ATK 64 DEF 50
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- Jonty RhodesUncommon · Society · ATK 64 DEF 50
- Kay KendallUncommon · Arts · ATK 64 DEF 50
- Nucleic acidUncommon · Science · ATK 67 DEF 47
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
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Credits
Text : Wikipedia, Hydrostatic equilibrium (revision), CC BY-SA 4.0. Photo : Pablo Carlos Budassi, CC BY-SA 4.0, Wikimedia Commons.
