
Práce výkon energie
Authored by Petr Hajduch
Physics
3rd Grade
Used 25+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Práci koná vždy těleso, které:
působí silou na jiné těleso
působí silou na jiné těleso a přitom je přemísťuje po určité dráze
se pohybuje
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Práci lze vypočítat podle vztahu:
W = F/S
W = F/v
W = F·s
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jednotkou práce je
joule
watt
newton
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Abyste mohli ukázat práci 2 J, musíte těleso o tíze 1 N zvednout :
o 0,5 m
o 2 m
o 0,05 m
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Výkon lze vypočítat podle vztahu:
P = W/t
P = W·t
P = F·s·t
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jednotkou výkonu je:
newton
joule
watt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rychlejším šplhem po stejně dlouhé tyči:
zvětšíte práci
zvětšíte výkon
nezměníte práci ani výkon
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