Legea lui Pascal afirmă că presiunea exercitată de un lichid într-un recipient închis este transmis în mod egal pentru toate punctele în lichid și de a acționa în toate direcțiile din recipient. Legea lui Pascal se aplică atât solidelor, cât și a fost propusă de Blaise Pascal, fizician și matematician francez. El a observat că atunci când un fluid este în repaus, aceeași cantitate de presiune este aplicată în toate punctele care sunt la aceeași înălțime., Acum, ajungem să știm că presiunea nu este o cantitate vectorială; și, prin urmare, nu i se poate atribui nicio direcție. Dacă începem să considerăm că fluidul este o bară orizontală cu o secțiune transversală uniformă și este într-o stare de echilibru, atunci va exista o forță egală și echilibrată care va fi exercitată la cele două capete. Cu toate acestea, dacă considerăm că o forță inegală acționează asupra barei orizontale, în acest caz, lichidul va avea o forță netă care acționează asupra acestuia și va curge., Prin urmare, se poate spune pe bună dreptate că, deoarece lichidul nu curge, cu siguranță are o presiune egală care acționează asupra acestuia în toate entarea matematică a legii este următoarea:
F = PA; unde F
Archimedes
| Born: c. BC in Syracuse, Sicily |
| Died: c. BC (at about age 75) in Syracuse, Sicily |
| Nationality: Greek |
| Famous For: Accurate calculation for pi |
Archimedes was a great mathematician born in Syracuse, Sicily, Italy, in BC. He is revered as one of the three greatest mathematicians of all time alongside Carl Gauss and Sir Isaac Newton. Archimedes focused primarily on the discipline of geometry, and he was also a renowned inventor and engineer.
Archimedes’ Family Life
Archimedes&#; father, Phidias, was an astronomer of some note, and his family was well off. Therefore, Archimedes was able to become an accomplished musician and poet, and he maintained a lifelong interest in astronomy. Because of his position, Archimedes was able to travel to Alexandria, Egypt, for his formal education.
By all reports, he was thrilled with the lofty intellectual exchanges he had there. Upon completing his studies, he returned to Syracuse to help with his family and to work for King Hiero II as an engineer inventing machines of war and improving the designs of existing ones (most notably the catapult).
Archimedes’ Contribution to Mathematics
On his own, Archimed
Archimedes
| Ancient Greek mathematician, physicist, mechanic and engineer from Syracuse Country: Greece |
Biography of Archimedes
Archimedes was an ancient Greek mathematician, physicist, mechanic, and engineer from Syracuse. He considered himself primarily a mathematician and was the creator of a whole range of original laws. One of his surviving works is the "Psammit," which presents his method of convenient recording of numbers, especially very large ones. Archimedes was born around BCE and died in BCE in one of the wealthiest Greek cities, Syracuse. He lived there during the reigns of the powerful kings Hiero II and Gelon. His father, Phidias, was an astronomer, and it is likely that Archimedes inherited his interest in mathematics from his upbringing.
As a young man, Archimedes traveled to Alexandria, the capital of Egypt, renowned at that time for its library and museum. The specific purpose of his trip is not known, but it is possible that Archimedes wanted to meet the great Euclid, who was at the royal court of Ptolemy at that time. It is confirmed that Archimedes met a group of scholars at the museum, and one of them, Eratosthenes, became his close frie
| Archimedes | |
|---|---|
| Mathematician | |
| Specialty | Math, physics, engineering, astronomy |
| Born | c. BC Syracuse, Sicily Magna Graecia |
| Died | c. BC (around age 75) Syracuse |
| Nationality | Greek |
Archimedes was born in B.C. on the island of Sicily. His father, Phidias, was a mathematician and an astronomer. They lived in Syracuse when Archimedes was born.
General Biography
Little is known about Archimedes and his family in the early years. He studied in Alexandria, which had been established by Alexander the Great. This is where he grew to become a reputable scholar. He studied under Euclid, the most reputable mathematician of his time who was keen on matters relating to geometry. Archimedes died during the Second Punic war under the hands of General Marcus Claudius Marcellus after the city was captured following a two-year siege.
The Archimedes Screw
Upon returning to Syracuse, Archimedes became a close associate to King Hiero II. The invention of the Archimedes Screw resulted when the King needed to empty rainwater from a ship. When Archimedes was called to help, he made the machine that came to be known as the Archimedes Screw.
This consisted of a hollow tube t
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