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fisica > dinamica > Flashcards

dinamica Flashcards

1
Q

leis de newton

A

1- inércia- todo corpo parado tende a permanecer parado
2- Fr= ma
3- açao e reação

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2
Q

força peso

A

P= mg

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3
Q

força normal

A

N= P

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4
Q

força de tração

A

mesma corda mesma tração

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5
Q

Força elástica

A

F= Kx
em série = F= f1+f2+…
paralelo x=x1+x2+…

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6
Q

força de atrito estático

A

não há deslizamento
Fat= Mie • N
fat max

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7
Q

força de atrito dinâmico

A

há deslizamento
Fat= Mid•N
Fate> Fatd

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8
Q

plano inclinado

A 
Px= P•sen
Py= P•cos

EIXO X Px= ma
EIXO Y N= Py

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fisica (2 decks)

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