Darbs, enerģija, jauda
Quiz
•
Physics
•
10th Grade
•
Practice Problem
•
Hard
Irēna Priede
Used 8+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ja objekts palielina savu ātrumu, kā mainās tā enerģija?
Enerģija paliek mazāka
Enerģija palielinās
Enerģija nav atkarīga no kustības ātruma
Enerģija maina virzienu
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kurā punktā potenciālā enerģija ir vislielākā?
W
X
Y
Z
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ja šie transportlīdzekļi atrodas kustībā ar vienādu ātrumu, kuram piemīt mazākā kinētiskā enerģija?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Svārcēlājs, pacēlis svaru stieni, tur to virs galvas. Vai ir viņš veic mehānisku darbu?
jā
nē
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Strādnieks pārvieto pa grīdu kasti 1 m attālumā, pielikot tai 200 N lielu spēku horizontālā virzienā. Cik lielu darbu viņš veic?
2000 J
200 J
1,2 J
20 J
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Aptuveni cik lielu darbu veic Zemes pievilkšanas spēks, ja šokolādes tāfelīte, kuras masa 100 g, nejauši nokrīt no skolas sola uz grīdas? Sola augstums virs grīdas 70 cm.
70 J
0,7 J
700 J
0,07 J
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jauda ir darbs veikšanas ...
process
ātrums
attālums
spēks
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