Prueba trabajo y potencia
Quiz
•
Physics
•
8th Grade
•
Hard

Nilda Rivera
Used 12+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
1. Un objeto de 500 N de peso se levanta por medio de una cuerda a una distancia de 15.0m. El trabajo se realiza en 8min. ¿Cuál es la potencia en vatios?
7,500 J
15.63 J
15.6 vatios
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
1. El motor del carro ejecuta un trabajo de 8,500J para levantar una carga en 45segundos. ¿Cuál es la potencia de ese motor?
189 vatios
180.8 vatios
no se puede calcular
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
1. ¿Cuánta fuerza se aplica si se hace un trabajo de 180 J al mover un objeto a 45m de distancia?
0.25 N
4 N
0.4 N
No se puede calcular
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
1. Una polea de 150.0N de peso se levanta a una distancia de 25.0m mediante una cuerda y un sistema de poleas. El trabajo se realiza en 15.0s. Determina la potencia.
250 watts
3,750 watts
3,750 vatios
250 J
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
1. Una bola de boliche de 82.5N se levanta a una altura de 1.75m. ¿Cuánto trabajo se realiza?
14.4 J
144.4 J
1.4 J
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
1. Una persona de 75N sube unas escaleras a 3.5km de altura en 12min. ¿Cuánta potencia desarrolla al subir las escaleras?
3,500 m
720 s
21.87 watts
364.6 vatios
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
1. ¿Cuánto trabajo se realiza al mover un sofá de 810 N a lo largo de 6m de distancia?
4,860 J
4,860 N
4,860 m
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