In dit aanpasbaar document vindt je alle formules, alsook de gaswetten die je nodig zal hebben tijdens het vierde middelbaar.
Wanneer jouw leekracht vraagt wie de formule van druk nog weet, kan jij dankzij dit document pijlsnel antwoorden met p=F/A.
Ik heb dit document doorheen het jaar zelf s...
Grootheid SI-eenheid Formule Symbool en eenheden
Thema Arbeid en
Energie
Arbeid constante Joule, J W =±F .∨∆ x∨¿ W(J) = arbeid
kracht
W =±F . cos α .∨∆ x∨¿
Arbeid veranderlijke Joule, J xe xe(m) = eindpositie
kracht W =∫ F x ( x ) dx xb(m) = beginpositie
xb
Arbeid Joule, J W F =|F n| μ d ∆ x cos α
w
F n (N) = normaalkracht
wrijvingskracht
μd = dynamische wrijvingscoëfficiënt
∆ x (m) = afgelegde afstand
Arbeid veer Joule, J −k (x 2e −x 2b ) k(N/m) = veerconstante
W veer =
2
Arbeid veerkracht Joule, J W veerkracht =−W veer
Arbeid Joule, J W =± m g h m(kg) = massa
gravitatiekracht g(N/kg) = zwaarteveldconstante
(dichtbij aarde)
h(m) = hoogte
Arbeid Joule, J 1 1 G = 6,67*10-11 Nm²/kg²= constante
gravitatiekracht (ver W =G m1 m2( − ) van Cavendisch
re rb
van aarde) m(kg) = massa’s (1 en 2)
r(m) = afstanden tussen de twee
objecten hun middelpunten (begin
en eind)
Arbeid door Ekin Joule, J W =∆ Ekin Ekin(J) = kinetische energie
Arbeid door Epot Joule, J W =−∆ E pot Epot(J) = potentiële energie
Energie Joule, J J= (kg.m2)/ s²
J= N.m
Kinetische E Joule, J m.v ² m(kg) = massa
Ekin =
2 v(m/s) = snelheid
Potentiële Joule, J E pot , g=m. g .h m(kg) = massa
zwaarteveldenergie g(N/kg) = zwaarteveldconstante
h(m) = hoogte
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