Mechanika Flashcards

1
Q

Rychlost

A

v = s/t

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2
Q

Zrychlení

A

a = v/t

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3
Q

Rovnoměrně zrychlený pohyb rychlost

A

v = at

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4
Q

Rovnoměrně zrychlený pohyb dráha

A

s = 1/2 a t^2

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5
Q

Úhlová rychlost

A

ω = úhel/t

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6
Q

Úhlová rychlost (v radiánech)

A

ω = (2 * 3,14)/T

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7
Q

Frekvence

A

f = 1/T

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8
Q

Dostředivé zrychlení

A

a = (v^2) / r = ω^2 r

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9
Q

Rovnoměrný pohyb po kružnici - rychlost

A

v = r ω = (2* 3,14* r) / T

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10
Q

Síla

A

F = m*a

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11
Q

Hybnost

A

p = m*v

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12
Q

Impuls síly

A

I = F*t =hybnost

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13
Q

Třecí síla

A

F = F (normálová)*f (koeficient)

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14
Q

Dostředivá síla

A

F = m*v^2 / r

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15
Q

Práce

A

W = F*s

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16
Q

Výkon

A

P = W/t =F*v

17
Q

Účinnost

A

η = P/příkon

18
Q

Volný pád rychlost

A

v = g*t

19
Q

Rychlost dopadu

A

v = √2gh

20
Q

Kinetická energie

A

Ek= 1/2 m v^2

21
Q

Potenciální energie

A

Ep = mgh

22
Q

Gravitační síla

A

F = G ( (m1 * m2) /R^2)

23
Q

Gravitační konstanta

A

G = 6,67 * 10^-11

24
Q

Intenzita gravitačního pole

A

K =F/m1

25
Q

Potenciál gravitačního pole

A

Fí = Ep/m1

26
Q

Vodorovný vrh vzorce pro x a y

A

X = v0*t
Y = h - 1/2 g t^2

27
Q

Šikmý vrh vzorce pro x a y

A

X = v0tcos(alfa)
Y = v0tsin(alfa) - 1/2 g*t^2