LES FORCES

Quiz
•
Physics
•
8th Grade
•
Hard
CONCHY PARRILLA
Used 51+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Les forces poden augmentar o disminuir la velocitat dels cossos sobre els quals actuen.
Veritat
FALS
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Com classifiquem els cossos segons el seu comportament front a la deformació?
Rígids i plàstics
Rígids, elàstics i blans
Rígids, elàstics i plàstics
Rígids i elàstics
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quin és un exemple de objecte plàstic?
Una bola de plastilina
Una pedra
Una molla
La carcassa de silicona d'un mòbil
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Un cos elàstic:
No es deforma per acció de la força
La força el deforma, però recupera la seva forma inicial quan es deixa de fer força
La força deforma el cos i no recupera la seva forma inicial quan deixa d' aplicar-se
El cos es trenca
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quina llei relaciona la força exercida sobre una molla amb la deformació produïda sobre ella?
La llei elàstica
La llei de Ohm
La llei de Hooke
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La Llei de Hooke és:
F. x = k
k = F . x
F = k . x
Cap de les anterios
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Què és la "k" en la fórmula de la llei de Hooke? (F = k · x)
Incement d'elasticitat
Força
Constant d'elasticitat
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