Máquinas simples
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Milena Falqueto
FREE Resource
Student preview

8 questions
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1.
FLASHCARD QUESTION
Front
O que é trabalho, segundo a física?
Back
Aplicação de uma força em um objeto, que gera um deslocamento
2.
FLASHCARD QUESTION
Front
Para que servem as máquinas?
Back
Facilitar um trabalho
3.
FLASHCARD QUESTION
Front
Verdadeiro ou falso: "A tesoura, o abridor de lata, a vara de pescar e as rampas são exemplos de máquinas simples"
Back
Verdadeiro
4.
FLASHCARD QUESTION
Front
Por que a bicicleta é um tipo de máquina composta?
Back
Porque é composta de várias máquinas simples: roda, engrenagens, eixos...
5.
FLASHCARD QUESTION
Front
Quando brincamos em uma gangorra, estamos brincando em um tipo de alavanca.
Back
Verdadeiro
6.
FLASHCARD QUESTION
Front
Quais são os tipos de máquinas de plano inclinado?
Back
Cunha, parafuso e rampa
7.
FLASHCARD QUESTION
Front
Para que servem as roldanas ou polias?
Back
Para amplificar uma força aplicada
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