
Práce a výkon
Authored by Petra Horáková
Physics
8th Grade
Used 37+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Jednotkou výkonu je:
Joule
Newtonmetr
Watt
Newton
2.
MULTIPLE SELECT QUESTION
5 sec • 1 pt
Jaká je značka práce?
P
J
W
F
3.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
Napiš značku výkonu:
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Vyber vzorec pro výpočet práce:
W = P : t
W = F . v
W = m . g . h
W = F : S
5.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Výkon je:
součin práce a času
podíl síly a dráhy
práce za jednotku času
síla působící kolmo na plochu
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Po nakloněné rovině dlouhé 2 metry zvedáme krabici o hmotnosti 10kg do výšky 3 metrů. Jakou silou krabici zvedáme?
150 J
150 N
150 kN
600 N
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Čemu je roven jeden kůň?
1J
1Nm
1Ws
735W
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