Praca, moc, energia
Quiz
•
Physics
•
7th Grade
•
Medium
Standards-aligned

Marcin Śliwa
Used 500+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Praca, jaką wykonasz, jeśli działając siłą 5 N przesuniesz ciało o 5 m, w stronę, w którą działa siła, wynosi:
25 J
2,5 J
50 J
250 J
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gdy narciarz rozpędza się, jadąc z góry,
jego energia potencjalna rośnie, a kinetyczna maleje
jego energia potencjalna i kinetyczna maleją
jego energia potencjalna maleje, a kinetyczna rośnie
jego energia potencjalna i kinetyczna rosną
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jednostką pracy jest:
wolt
amper
dżul
niuton
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pracę obliczamy ze wzoru:
W= F*s
W= F/s
W= s/F
żadna nie jest poprawna
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Uczeń podniósł paczkę o masie 10 kg na wysokość 2 m w czasie 2 s. Średnia moc ucznia w czasie podnoszenia paczki wynosiła:
10 W.
20 W.
100 W.
200 W.
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