{"id":41599,"date":"2019-09-27T12:40:26","date_gmt":"2019-09-27T11:40:26","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/que-es-un-ejemplo-de-energia-mecanica-definicion\/"},"modified":"2020-01-14T16:59:09","modified_gmt":"2020-01-14T15:59:09","slug":"que-es-un-ejemplo-de-energia-mecanica-definicion","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/es\/que-es-un-ejemplo-de-energia-mecanica-definicion\/","title":{"rendered":"El ejemplo de energ\u00eda mec\u00e1nica &#8211; Definici\u00f3n"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Ejemplos de energ\u00eda mec\u00e1nica.\u00a0La energ\u00eda mec\u00e1nica (y tambi\u00e9n la energ\u00eda t\u00e9rmica) se pueden separar en dos categor\u00edas, transitorias y almacenadas.\u00a0Ingenieria termal<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>\u00bfQu\u00e9 es la energ\u00eda mec\u00e1nica?<\/h2>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conservartion-of-mechanical-energy-pendulum.png\"><img loading=\"lazy\" class=\"alignright size-full wp-image-15713 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conservartion-of-mechanical-energy-pendulum.png\" alt=\"conservaci\u00f3n de p\u00e9ndulo de energ\u00eda mec\u00e1nica\" width=\"282\" height=\"214\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conservartion-of-mechanical-energy-pendulum.png\" \/><\/a>En f\u00edsica,\u00a0<strong>la energ\u00eda mec\u00e1nica<\/strong>\u00a0(E\u00a0<sub>mech<\/sub>\u00a0) es la energ\u00eda asociada con el\u00a0<strong>movimiento<\/strong>\u00a0y la\u00a0<strong>posici\u00f3n<\/strong>\u00a0de un objeto, generalmente en alg\u00fan campo de fuerza (por ejemplo, campo gravitacional).\u00a0<strong>La energ\u00eda mec\u00e1nica<\/strong>\u00a0(y tambi\u00e9n la energ\u00eda t\u00e9rmica) se pueden separar en dos categor\u00edas, transitorias y almacenadas.\u00a0La energ\u00eda transitoria es energ\u00eda en movimiento, es decir, energ\u00eda que se transfiere de un lugar a otro.\u00a0La energ\u00eda almacenada es la energ\u00eda contenida dentro de una sustancia u objeto.\u00a0La energ\u00eda mec\u00e1nica transitoria se conoce com\u00fanmente como\u00a0<strong>trabajo<\/strong>\u00a0.\u00a0La energ\u00eda mec\u00e1nica almacenada existe en una de dos formas:\u00a0<strong>cin\u00e9tica<\/strong>\u00a0o\u00a0<strong>potencial<\/strong>\u00a0:<\/p>\n<ul>\n<li><strong>La energ\u00eda potencial<\/strong>\u00a0.\u00a0La energ\u00eda potencial, U, se define como la energ\u00eda almacenada en un objeto sometido a una fuerza conservadora.\u00a0Los tipos comunes incluyen la energ\u00eda potencial gravitacional de un objeto que depende de su masa y su distancia desde el centro de masa de otro objeto.<\/li>\n<li><strong>La energ\u00eda cin\u00e9tica<\/strong>\u00a0.\u00a0La energ\u00eda cin\u00e9tica,\u00a0<em>K<\/em>\u00a0, se define como la energ\u00eda almacenada en un objeto debido a su movimiento.\u00a0Depende de la velocidad de un objeto y es la capacidad de un objeto en movimiento para trabajar en otros objetos cuando choca con ellos.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Ejemplo: bloque desliz\u00e1ndose por una pendiente inclinada sin fricci\u00f3n<\/h2>\n<p>El bloque de 1 kg comienza a una altura H (digamos 1 m) sobre el suelo, con\u00a0<strong>energ\u00eda potencial\u00a0<\/strong><strong>mgH<\/strong>\u00a0y\u00a0<strong>energ\u00eda cin\u00e9tica<\/strong>\u00a0que es igual a 0. Se desliza hacia el suelo (sin fricci\u00f3n) y llega sin energ\u00eda potencial y energ\u00eda cin\u00e9tica.\u00a0<strong>K = \u00bd mv\u00a0<sup>2<\/sup><\/strong>\u00a0.\u00a0Calcule la velocidad del bloque en el suelo y su energ\u00eda cin\u00e9tica.<\/p>\n<p><strong><em>E\u00a0<\/em><\/strong><strong><em><sub>mech<\/sub><\/em><\/strong><strong><em>\u00a0= U + K = constante<\/em><\/strong><\/p>\n<p><strong><em>=&gt; \u00bd mv\u00a0<\/em><\/strong><strong><em><sup>2<\/sup><\/em><\/strong><strong><em>\u00a0= mgH<\/em><\/strong><\/p>\n<p><strong><em>=&gt; v = \u221a2gH = 4.43 m \/ s<\/em><\/strong><\/p>\n<p><strong><em>=&gt; K\u00a0<\/em><\/strong><strong><em><sub>2<\/sub><\/em><\/strong><strong><em>\u00a0= \u00bd x 1 kg x (4.43 m \/ s)\u00a0<\/em><\/strong><strong><em><sup>2<\/sup><\/em><\/strong><strong><em>\u00a0= 19.62 kg.m\u00a0<\/em><\/strong><strong><em><sup>2<\/sup><\/em><\/strong><strong><em>\u00a0.s\u00a0<\/em><\/strong><strong><em><sup>-2<\/sup><\/em><\/strong><strong><em>\u00a0= 19.62 J<\/em><\/strong><\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2><span>Ejemplo: P\u00e9ndulo<\/span><\/h2>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conservartion-of-mechanical-energy-pendulum.png\"><img loading=\"lazy\" class=\"alignright size-full wp-image-15713 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conservartion-of-mechanical-energy-pendulum.png\" alt=\"conservaci\u00f3n de p\u00e9ndulo de energ\u00eda mec\u00e1nica\" width=\"282\" height=\"214\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conservartion-of-mechanical-energy-pendulum.png\" \/><\/a><span>Suponga un\u00a0<\/span><strong><span>p\u00e9ndulo<\/span><\/strong><span>\u00a0(bola de masa m suspendida en una cuerda de longitud\u00a0<\/span><strong><span>L<\/span><\/strong><span>\u00a0que hemos levantado para que la bola est\u00e9 a una altura\u00a0<\/span><strong><span>H &lt;L por<\/span><\/strong><span>\u00a0encima de su punto m\u00e1s bajo en el arco de su movimiento de cuerda estirada. El p\u00e9ndulo est\u00e1 sujeto al\u00a0<\/span><strong><span>conservador fuerza gravitacional<\/span><\/strong><span>\u00a0donde las fuerzas de fricci\u00f3n como el arrastre de aire y la fricci\u00f3n en el pivote son insignificantes.<\/span><\/p>\n<p><span>Lo liberamos del reposo.\u00a0<\/span><strong><span>\u00bfQu\u00e9 tan r\u00e1pido va en la parte inferior?<\/span><\/strong><\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conservartion-of-mechanical-energy-pendulum2.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-15714 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conservartion-of-mechanical-energy-pendulum2.png\" alt=\"conservaci\u00f3n de p\u00e9ndulo de energ\u00eda mec\u00e1nica2\" width=\"322\" height=\"115\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conservartion-of-mechanical-energy-pendulum2.png\" \/><\/a><\/p>\n<p><span>El p\u00e9ndulo alcanza la\u00a0<\/span><strong><span>mayor energ\u00eda cin\u00e9tica<\/span><\/strong><span>\u00a0y la\u00a0<\/span><strong><span>menor energ\u00eda potencial<\/span><\/strong><span>\u00a0cuando est\u00e1 en\u00a0<\/span><strong><span>posici\u00f3n vertical<\/span><\/strong><span>\u00a0, porque tendr\u00e1 la mayor velocidad y estar\u00e1 m\u00e1s cerca de la Tierra en este punto.\u00a0Por otro lado, tendr\u00e1 la\u00a0<\/span><strong><span>menor energ\u00eda cin\u00e9tica<\/span><\/strong><span>\u00a0y la\u00a0<\/span><strong><span>mayor energ\u00eda potencial<\/span><\/strong><span>\u00a0en las\u00a0<\/span><strong><span>posiciones extremas<\/span><\/strong><span>\u00a0de su oscilaci\u00f3n, porque tiene velocidad cero y est\u00e1 m\u00e1s lejos de la Tierra en estos puntos.<\/span><\/p>\n<p><span>Si la amplitud se limita a peque\u00f1as oscilaciones, el per\u00edodo\u00a0<\/span><em><span>T<\/span><\/em><span>\u00a0de un p\u00e9ndulo simple, el tiempo necesario para un ciclo completo, es:<\/span><\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/period-of-pendulum-conservation-of-energy.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-15715 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/period-of-pendulum-conservation-of-energy.png\" alt=\"per\u00edodo-de-p\u00e9ndulo-conservaci\u00f3n-de-energ\u00eda\" width=\"252\" height=\"77\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/period-of-pendulum-conservation-of-energy.png\" \/><\/a><\/p>\n<p><span>donde\u00a0<\/span><strong><em><span>L<\/span><\/em><\/strong><span>\u00a0es la longitud del p\u00e9ndulo\u00a0<\/span><strong><em><span>yg<\/span><\/em><\/strong><span>\u00a0es la aceleraci\u00f3n local de la gravedad.\u00a0Para columpios peque\u00f1os, el per\u00edodo de columpio es aproximadamente el mismo para columpios de diferentes tama\u00f1os.\u00a0Es decir,\u00a0\u00a0<\/span><strong><span>el per\u00edodo es independiente de la amplitud<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<\/div>\n<\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Este art\u00edculo se basa en la traducci\u00f3n autom\u00e1tica del art\u00edculo original en ingl\u00e9s. Para m\u00e1s informaci\u00f3n vea el art\u00edculo en ingl\u00e9s. Puedes ayudarnos. Si desea corregir la traducci\u00f3n, env\u00edela a: translations@nuclear-power.com o complete el formulario de traducci\u00f3n en l\u00ednea. Agradecemos su ayuda, actualizaremos la traducci\u00f3n lo antes posible. Gracias.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ejemplos de energ\u00eda mec\u00e1nica.\u00a0La energ\u00eda mec\u00e1nica (y tambi\u00e9n la energ\u00eda t\u00e9rmica) se pueden separar en dos categor\u00edas, transitorias y almacenadas.\u00a0Ingenieria termal \u00bfQu\u00e9 es la energ\u00eda mec\u00e1nica? En f\u00edsica,\u00a0la energ\u00eda mec\u00e1nica\u00a0(E\u00a0mech\u00a0) es la energ\u00eda asociada con el\u00a0movimiento\u00a0y la\u00a0posici\u00f3n\u00a0de un objeto, generalmente en alg\u00fan campo de fuerza (por ejemplo, campo gravitacional).\u00a0La energ\u00eda mec\u00e1nica\u00a0(y tambi\u00e9n la energ\u00eda t\u00e9rmica) &#8230; <a title=\"El ejemplo de energ\u00eda mec\u00e1nica &#8211; Definici\u00f3n\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/es\/que-es-un-ejemplo-de-energia-mecanica-definicion\/\" aria-label=\"M\u00e1s en El ejemplo de energ\u00eda mec\u00e1nica &#8211; Definici\u00f3n\">Leer m\u00e1s<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>El ejemplo de energ\u00eda mec\u00e1nica - Definici\u00f3n<\/title>\n<meta name=\"description\" content=\"Ejemplos de energ\u00eda mec\u00e1nica. 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