Ce este forța de frecare?
Autoevaluare - Forța de Frecare
Quiz
•
Education
•
7th Grade
•
Hard
Violeta Pau
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O forță care accelerează un corp
O forță care se opune mișcării dintre două suprafețe
O forță care atrage obiectele spre Pământ
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Forța de frecare este mai mare pe:
Gheață
Asfalt
Sticlă
3.
OPEN ENDED QUESTION
3 mins • 1 pt
Adevărat sau Fals: Frecarea poate produce căldură.
Evaluate responses using AI:
OFF
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Completează: Frecarea __________ mișcarea corpurilor.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce tip de frecare este mai mică?
De rostogolire
De alunecare
Statică
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce rol au rulmenții la bicicletă?
Cresc frecarea
O reduc
Nu influențează frecarea
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Potrivește: Frecare mare → ____ (a. Sanie pe gheață, b. Frâne de mașină)
Evaluate responses using AI:
OFF
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