
Výpočty - PÁKA
Authored by Hela Zidkova
Physics
7th Grade
Used 3+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Houpačku tvoří 5m dlouhá deska, podepřená uprostřed. Na jejím jednom konci sedí chlapec o hmotnosti 20 kg. Jakou hmotnost má druhý chlapec, který se posadil 2 m od osy otáčení?
15 kg
20 kg
25 kg
20 000 g
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Jak určíš MOMENT síly na páce?
( Do vzorce použij správné označení všech tří veličin).
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Doplň chybějící údaj.
F = 500 N
a = 0,4 m
M = 200 Nm
m = 200 N
m = 200 m
M = 2 000 Nm
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Vypočti jakou silou musíme působit na druhé rameno dvojzvratné páky o délce 2 cm, když na první rameno o délce 10 cm působíme silou 2 N.
(Udělej si náčrtek.)
F = 10 N
F = 1 N
F = 10 Nm
F = 10 m
5.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Páka je učivo, které mne baví ,-)
Ano, to je pravda.
Ne, není to pravda.
Možná.
Nelze jednoznačně odpovědět.
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