Praca, moc, energia

Praca, moc, energia

7th - 8th Grade

17 Qs

quiz-placeholder

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Praca, moc, energia

Praca, moc, energia

Assessment

Quiz

Physics

7th - 8th Grade

Medium

Used 4K+ times

FREE Resource

17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Symbol pracy mechanicznej to:
W
P
F
E

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jednostka pracy to:

1W

1s

1m

1J

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jaką pracę wykonamy działając na ciało siłą 20N przesuwając je o 4m?
16J
24J
5J
80J

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Od nazwiska którego uczonego nazwano jednostkę energii?
J. P. Joule'a
Jamesa Watta
Tomasza Edisona
Izaaka Newtona

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Wskaż przykład wykonywania pracy w sensie fizycznym.
Robert naciska na nieruchomą ścianę siłą F=50N
Dominika niesie ciężką torbę
Karol uczy się angielskich słówek
Wojtek siłą mięśni przesuwa ciężki fotel

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

5 kJ  to inaczej:
500 J
0,005 J
5000 J
50 J

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Wzór na pracę:
w=F*t
w=s*t
w=F*s
w=P*t

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