FIZICA
Quiz
•
Physics
•
9th Grade
•
Hard
Leonard Chiriță
Used 28+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Unitatea de măsură în Sistemul Internațional pentru forță este:
metru
watt
newton
joule
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Forța elastică se opune întotdeauna deformării
Adevărat
Fals
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Forța de frecare la alunecare:
acționează doar asupra unui corp aflat în mișcare
depinde de accelerația corpului
este proporțională cu forța de apăsare normală pe suprafața pe care alunecă corpul
este normală pe suprafața pe care alunecă corpul
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Un corp urcă uniform cu frecare pe o șosea în pantă, tras de o forță paralelă cu șoseaua. În ce figură de mai jos este reprezentată corect diagrama forțelor
figura a
figura b
figura c
figura d
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Alegeți expresia care are dimensiunea unei forțe:
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Legea lui Hooke se exprimă prin relația:
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Un resort suferă o deformare de 4cm. Care este forța elastica daca k = 200N/m
8 N
4 N
5 N
6 N
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