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WikiCards · Card list · Science cards · D'Alembert's principle
Uncommon card · Science
D'Alembert's principle, an Uncommon card
D'Alembert's principle, also known as the Lagrange–d'Alembert principle, is a statement of the fundamental classical laws of motion.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 61
- DEF
- 37
- Power
- 98
- Wikipedia reads a year
- 39,000
Power 98 (ATK + DEF): stronger than 40 % of WikiCards cards.
The facts on the card
The card carries these facts from its Wikipedia article.
- It is named after its discoverer, the French physicist and mathematician Jean le Rond d'Alembert, and Italian-French mathematician Joseph Louis Lagrange.
- D'Alembert's principle generalizes the principle of virtual work from static to dynamical systems by introducing forces of inertia which, when added to the applied forces in a system, result in dynamic equilibrium.
- D'Alembert's principle can be applied in cases of kinematic constraints that depend on velocities.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The D'Alembert's principle article was read about 39,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 61 and blocks with 37: each hit it takes is cut by 15 %.
How to get D'Alembert's principle
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.
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Card lists
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Credits
Text : Wikipedia, D'Alembert's principle (revision), CC BY-SA 4.0. Photo : Jean Baptiste Le Rond d'Alembert, Public domain, Wikimedia Commons.
