
Força de atrito
Authored by Ana Carvalho
Physics
9th Grade
Used 9+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
O que acontece ao valor da força de atrito quando se altera a rugosidade da superfície de contacto com o mesmo corpo?
Aumenta.
Diminui.
Mantém-se.
2.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
O que acontece ao valor da força de atrito quando um corpo é substituído por outro de maior massa?
Aumenta.
Mantém-se.
Diminui.
3.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
O que acontece ao valor da força de atrito quando a área de superfície de contacto aumenta? (mesma massa e superfície)
Aumenta.
Mantém-se.
Diminui.
4.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
O que acontece ao valor da força de atrito se oleares a superfície de contacto com o mesmo corpo?
Aumenta.
Mantém-se.
Diminui.
5.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
A força de atrito...
tem a mesma direção e o mesmo sentido do movimento.
tem a mesma direção e sentido oposto ao do movimento.
tem direção diferente do movimento.
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