
Praca, moc , energia - klasa 7
Quiz
•
Physics
•
KG - 5th Grade
•
Practice Problem
•
Medium
IW RO
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pracę mechaniczną obliczamy ze wzoru:
W = F/S
W = F * S
W = S/F
W = m * a
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pracę mierzymy w:
dżulach
niutonach
kilogramach
watach
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Praca mechaniczna jest wykonywana w sytuacji:
ciężarowiec trzyma nad głową sztangę
uczeń odpowiada przy tablicy
dziecko podnosi z ziemi drewniany klocek
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mocą nazywamy:
iloczyn siły i czasu jej działania
iloraz pracy i czasu, w którym została wykonana
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rodzaje energii mechanicznej związanej z ruchem to:
energia kinetyczna
energia potencjalna
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rodzaje energii mechanicznej nie związanej z ruchem to:
energia kinetyczna
energia potencjalna
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Energię oznaczamy symbolem:
E
W
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