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Ciências Naturais SAT - Eletromagnetismo e Mecânica
Aqui você aprenderá algumas palavras em inglês relacionadas ao eletromagnetismo e à mecânica, como "torque", "ânodo" e "circuito", que você precisará para se sair bem nos seus SATs.
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the measure of electric potential difference between two points in a circuit, expressed in volts
tensão, voltagem
an electrical component designed to limit or control the flow of electric current in a circuit, typically by providing resistance
resistor, resistência
the complete circle through which an electric current flows, typically consists of the source of electric energy
circuito
a solid substance that conducts electricity or heat better than insulators, but not as well as most metals
semicondutor, semiconductor
a phenomenon where certain materials conduct electricity without resistance when cooled to extremely low temperatures
supercondutividade, supracondutividade
to apply an electric charge to a conductor
eletrificar, carregar eletricamente
a conductor through which electricity travels to or from an object, such as batteries
eletrodo, condutor elétrico
a form of electricity generated by friction between two materials, resulting in an imbalance of electric charges on their surfaces
eletricidade estática, eletrostática
(of a battery or device) capable of being supplied with electrical power again
recarregável, com capacidade de recarga
a machine that produces electricity by converting mechanical energy into electrical energy
gerador, alternador
a positively charged electrode in an electrical device where oxidation occurs, resulting in the release of electrons
ânodo, eletrodo positivo
a negatively charged electrode within an electrical device, from which electrons flow out into the external circuit
cátodo, eletrodo negativo
a device that converts the energy of the sun into electricity
célula solar, fotocélula
the amount of solar energy received per unit area on Earth's surface
irradiância solar, radiação solar
the energy transmitted in the form of particles or waves through the space or a matter
radiação, irradiação
related to the technology that turns sunlight directly into electricity
fotovoltaico, relacionado à tecnologia que converte a luz solar diretamente em eletricidade
referring to the combined interaction of electric and magnetic fields, often associated with waves or radiation
eletromagnético, relativo aos campos eletromagnéticos
an invisible area around a magnetic object where magnetic forces can attract or repel other objects
campo magnético, área magnética
a long rigid bar that is put under a heavy object in order to move it
alavanca, pé-de-cabra
a point or support on which a lever pivots or rotates in order to lift or move objects
pivô, ponto de apoio
the rapid back-and-forth movement of an object
vibração, oscilação
a rotational force measured in newton-meters or foot-pounds
torque, momento de força
a measure of a spring's stiffness, indicating how much force is needed to stretch or compress it
constante de mola, rigidez da mola
a mass used to provide balance to another mass
contrapeso, peso de equilíbrio
having a speed greater than that of sound
supersônico, ultrassônico
(physics) the increase in velocity over time
aceleração, aumento da velocidade
the constant speed reached by a falling object when the drag force equals the gravitational force pulling it downward, resulting in no further acceleration
velocidade terminal, velocidade limite
the study of the design, development, and operation of aircrafts, focusing on principles of aerodynamics, propulsion, and material science
aviação, aeronáutica
a branch of science and engineering that deals with the mechanical properties of liquids, particularly their behavior in confined spaces and under pressure
hidráulica, mecânica dos fluidos
an area of technology that is concerned with the study or use of robots
robótica, ciência dos robôs
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