
Máquinas simples
Authored by Isabela Moraes
Science
7th Grade
Used 22+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é trabalho, segundo a física?
Uma forma de ganhar dinheiro e se sustentar
Aplicação de uma força em um objeto, que gera um deslocamento
Pesquisa que o professor passa de lição de casa
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para que servem as máquinas?
Lavar roupa
Facilitar um trabalho
Costurar roupas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Verdadeiro ou falso:
"A tesoura, o abridor de lata, a vara de pescar e as rampas são exemplos de máquinas simples"
Verdadeiro
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Por que a bicicleta é um tipo de máquina composta?
Porque as bicicletas custam caro
A bicicleta é uma máquina simples pois tem roda e eixo
Porque é composta de várias máquinas simples: roda, engrenagens, eixos...
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
VERDADEIRO OU FALSO
Quando brincamos em uma gangorra, estamos brincando em um tipo de alavanca
Verdadeiro
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais são os tipos de máquinas de plano inclinado?
Cunha, parafuso e rampa
Apenas as rampas
Apenas o parafuso
Apenas a cunha
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para que servem as roldanas ou polias?
Para amplificar uma força aplicada
Para polir um objeto
Para rodar, ou fazer girar um objeto
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