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Utilidad: La leva es un mecanismo que nos permite transformar un movimiento giratorio en uno alternativo lineal (sistema leva-\u00e9mbolo) o circular (sistema leva-palanca),","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597311,"quiz_id":"29254","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:00:07","updated_at":"2018-10-21 03:00:07","questionName":"Desde el punto de vista tecnol\u00f3gico la \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. se comporta como una palanca y por tanto cumplir\u00e1 la ley de la palanca.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597303,"quiz_id":"29254","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:00:07","updated_at":"2018-10-21 03:00:07","questionName":"El \u2026\u2026\u2026\u2026\u2026... sirve de gu\u00eda en el giro. Por \u00e9l llega o se extrae el movimiento giratorio.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597307,"quiz_id":"29254","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:00:07","updated_at":"2018-10-21 03:00:07","questionName":"Se emplea en multitud de mecanismos que trabajan con fluidos a presi\u00f3n. Ejemplos simples pueden ser: las bombas manuales para hinchar balones o las jeringuillas. ","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597302,"quiz_id":"29254","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:00:07","updated_at":"2018-10-21 03:00:07","questionName":"En las m\u00e1quinas antiguas sol\u00eda tomar forma de \"S\" o \"C\" y secci\u00f3n constante. En las actuales suele ser rectil\u00ednea con secci\u00f3n variable, dependiendo de los esfuerzos a realizar. 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Se encuentra fabricada en madera, acero, aluminio, pl\u00e1sticos... ","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597301,"quiz_id":"29254","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:00:07","updated_at":"2018-10-21 03:00:07","questionName":"Consiste en una barra r\u00edgida dise\u00f1ada para establecer uniones articuladas en sus extremos. ","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null}]