Máquinas Simples
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Medium
Rosane Silva
Used 101+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Instrumentos que cortam ou perfuram, como pregos, facas, machados e lâminas em geral, fazem uso:
da roldana
da cunha
do parafuso
da alavanca
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
São exemplos de máquinas simples:
Abridor de latas, martelo e tesoura.
Chave de fenda, alicate e computador.
Quebra-nozes, carro e carrinho de mão.
Bicicleta, pinça e cortador de unha.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¨Dê-me um ponto de apoio e eu moverei a Terra.¨ Essa frase é atribuída a:
Galileu Galilei
Leonardo da Vinci
Arquimedes
Louis Pasteur
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alavanca
Plano inclinado
Cunha
Roldanas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rodas ligadas a outras por dentes ou correntes são chamadas
roldanas
parafusos
engrenagens
polias
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O objeto a ser cortado pela tesoura oferece uma:
força motriz
força potente
força aplicada
força resistente
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
roda com eixo
roldana
cunha
alavanca
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