Le leve
Quiz
•
Geography, Arts, Other Sciences, Other
•
2nd Grade
•
Practice Problem
•
Medium
Used 51+ times
FREE Resource
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La leva è una macchina semplice ?
Vero
Falso
E' una semplice barra
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La forza motrice è la forza che viene applicata alla macchina ?
No é la forza resistente
Falso
Vero
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La forza resistente é la forza che impedisce alla macchina di rompersi ?
Falso
Vero
E' la forza che viene applicata alla macchina.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una macchina è detta vantaggiosa quando la forza motrice può vincere una forza resistente più piccola ?
Vero
Falso
Quando le due forze sono uguali
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Che cosa s'intende per fulcro ?
Il punto intorno al quale può ruotare la leva
Un semplice chiodo
Una vite
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le leve di 1^ genere :
Hanno il fulcro tra la forza motrice e la forza resistente
Hanno la potenza tra il fulcro e la resistenza
Hanno la resistenza tra il fulcro e la potenza
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le leve di primo genere sono :
Sempre vantaggiose
Sono sempre svantaggiose
Sono vantaggiose quando il braccio della Potenza é più lungo del braccio della resistenza.
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