Moment sily
Quiz
•
Physics
•
1st - 5th Grade
•
Medium
Martina Takáčová
Used 7+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Moment sily je miera otáčavého účinku sily, ktorá vyjadruje:
(POZOR, VIAC ODPOVEDÍ JE SPRÁVNYCH!)
jeho pôsobisko
jeho veľkosť
jeho účinnosť
jeho smer
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Otáčavý účinok sily sa neprejaví, ak je vektorová priamka:
(POZOR, VIAC ODPOVEDÍ JE SPRÁVNYCH!)
kolmá na os otáčania
na osi otáčania
rovnobežná s osou otáčania
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Čo je rameno sily?
vektorová priamka
kolmá vzdialenosť vektorovej priamky sily od osi otáčania
vzdialenosť vektora momentu sily od osi otáčania
pôsobisko sily
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Smer vektora momentu sily určujeme pomocou pravidla .................
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Čím väčšie je rameno sily, tým:
je menší moment sily
je potrebná väčšia sila
je väčší moment sily
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
V praxi sa moment sily nevyužíva pri otváraní dverí
pravda
lož
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Do akej vzdialenosti od osi otáčania musíme zavesiť závažie, ak:
F1= 3N.......F2=6N
r1= 4m.......r2=? m
aby bola páka v rovnovážnej polohe.
8
7
2
2,5
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