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In physics, power is the amount of energy transferred or converted per unit time. In the International System of Units, the unit of power is the watt, equal to one joule per second. In older works, power is sometimes called activity. Power is a scalar quantity.
What is power? Much like energy, the word power is something we hear a lot. In everyday life it has a wide range of meanings. In physics however, it has a very specific meaning. It is a measure of the rate at which work is done (or similarly, at which energy is transferred).
The rate at which work is done is referred to as power. A task done quite quickly is described as having a relatively large power. The same task that is done more slowly is described as being of less power.
En física, la potencia ( ) es la cantidad de trabajo efectuado por unidad de tiempo. 1 En el Sistema Internacional de Unidades, la unidad de potencia es el vatio o watt, igual a un julio o joule por segundo. 2 . Definición. La potencia es la relación con respecto al tiempo a la que se realiza el trabajo; es la derivada temporal del trabajo:
Es una medida de la tasa a la que se realiza un trabajo (o del mismo modo, a la que se transfiere energía). La capacidad de medir con precisión la potencia fue una de las habilidades claves que permitió a los primeros ingenieros desarrollar los motores de vapor, lo que condujo a la Revolución Industrial.
Repaso de potencia. Google Classroom. Microsoft Teams. Repasa los conceptos clave y las ecuaciones para la potencia, incluida la diferencia entre potencia y energía.
Learn how to calculate power, the rate at which work is done, in physics. Watch an example of two weightlifters and see how power depends on force, velocity and time.
