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Samenvatting Alle formules voor natuurkunde!
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In dit document staan alle formules voor natuurkunde 5 havo beschreven. Afkomstig uit het boek overal Natuurkunde
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FormulesHoofdstuk 1
Verplaatsing
∆x = x2 – x1
∆x is de verplaatsing in meter (m)
x2 is de plaats ná de verplaatsing in meter (m)
x1 is de plaats vóór de verplaatsing in meter (m)
Verandering van tijd
∆t = t2 – t1
∆t is de tijdsduur in seconde (s)
t2 is de tijd aan het einde in seconde (s)
t1 is de tijd in het begin in seconde (s)
Gemiddelde snelheid
∆x
vgem =
∆t
vgem is de gemiddelde snelheid in de tijdsduur ∆t in meter per seconde (m/s)
∆x is de verplaatsing in meter
∆t is de daarvoor benodigde tijdsduur in seconde (s)
Constante snelheid
∆x
v=
∆t
v is de (constante) snelheid in meter per seconde (m/s)
∆x is de verplaatsing in meter (m)
∆t is de daarvoor benodigde tijdsduur in seconde (s)
Momentane snelheid
∆x
vt = ( )raaklijn
∆t
vt is de (momentane) snelheid op het tijdstip t in meter per seconde (m/s)
∆x is de verplaatsing in meter (m), afgelezen van de raaklijn
∆t is de daarvoor benodigde tijdsduur in seconde (s)
Gemiddelde versnelling
∆v
agem =
∆t
agem is de gemiddelde versnelling in meter per seconde kwadraat (m/s 2)
∆v is de snelheidsconstante in meter per seconde (m/s)
∆t is de tijdsduur die voor die snelheidstoename nodig is in seconde (s)
Momentane versnelling
∆v
at = ( )raaklijn
∆t
, Hoofdstuk 3
Zwaartekracht
Fz = m ∙ g
Fz is de zwaartekracht in newton (N)
m is de massa in kilogram (kg)
g is de valversnelling in meter per seconde kwadraat (m/s 2 = N/kg)
Dichtheid
m
ρ=
V
ρ is de dichtheid in kilogram per kubieke meter (kg/m 2)
m is de massa in kilogram (kg)
V is het volume in kubieke meter (m2)
Veerkracht
Fv = C ∙ u
Fv is de veerkracht in newton (N)
C is de veerconstante in newton per meter (N/m)
U is de uitrekking of indrukking in meter (m)
Resulterende kracht
Fres = m ∙ a
Fres is de resulterende kracht op een voorwerp in newton (N)
m is de massa van het voorwerp in kilogram (kg)
a is de versnelling in meter per seconde kwadraat (m/s 2)
Arbeid
W=F∙s
W is de verrichte arbeid in newtonmeter (N∙m)
F is de kracht in newton (N)
s is de verplaatsing in meter (m)
Totale arbeid
Wtot = W1 + W2 + … = F1 ∙ s1 + F2 ∙ s2 + …
Wtot is de totale verrichte arbeid in newtonmeter (N∙m)
F1, 2 enz. is kracht 1, 2 enz. in newton (N)
s1, 2 enz. is de verplaatsing ten gevolge van de kracht 1, 2 enz. in meter (m)
Wtot = Fres ∙ s
Wtot is de totaal verrichte arbeid in newtonmeter (N∙m)
Fres is de resulterende kracht in newton (N)
s is de verplaatsing in meter (m)
Negatieve arbeid
W=-F∙s
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