Act3-Màquines Simples
Quiz
•
Instructional Technology
•
9th - 12th Grade
•
Practice Problem
•
Hard
Andrés Moreno
Used 4+ times
FREE Resource
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Com s'anomena la força que s'oposa al moviment d'un cos en un plà inclinat?
Fregament
Resistència
Potència
Folcre
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El producte del braç de la potència per la potència és igual...
A la resistència dividit pel braç de la resistència
A la resistència
A la resistència pel braç de la resistència
Al braç de la resistència dividit per la resistència
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hem fet un treball de 600J aixecant un pes de 120N. A quina alçada l'hem aixecat?
5 cm
5 Km
5 m
5 mm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Les màquines ens permeten estalviar...
Treball
Rendiment
Cap de les anteriors
Força
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Normalment una màquina simple converteix la força humana en...
Potència
Treball
Moviment
Cap de les anteriors
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Quan tardarà una màquina de 500W de potència fer un treball de 750J?
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Quin esforç cal fer per aixecar un pes de 520N a una alçada de 2m si em servir un plà inclinat de 8 metres de longitud.
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