RUMUS FISIKA ELASTISITAS DAN GRAFIKASI

ELASTISITAS&G.H.S
  • TEGANGAN
σ=FA
  • REGANGAN
e=∆LL
  • MODULUS ELASTISITAS (MODULUS YOUNG)
Y=σe            Y=F.LA.∆L
  • HUKUM HOOKE
F=k.∆x
  • GAYA PEMULIH
F=-k.∆x
  • ENERGI POTENSIAL PEGAS
Ep=12F.∆x        Ep=12k.∆x2  
  • SUSUNAN PEGAS
  • SERI        1kp=1k1+1k2+…+1kn
  • PARALEL     kP=k1+k2+…+kn

GERAK HARMONIK SEDERHANA
  • SIMPANGAN
y=A sin ωt+θ0
  • KECEPATAN
v=A.ω cos ωt+θ0    v= ωA2-y2
vmax=A.ω
  • PERCEPATAN
a=-A.ω2 sin ωt+θ0
amax=A.ω2
  • KECEPATAN SUDUT
ω=2πT            ω=2πf
  • PERIODE
T=2πmk
  • FREKUENSI
f=12πkm
  • ENERGI
  • POTENSIAL        Ep=12k.y2
  • KINETIK            Ek=12kA2-y2
  • MEKANIK        Em=12k.A2
  • SUPERPOSISI
y=2A sin12ω1+ω2t cos12ω1-ω2t



Keterangan :
  • = Tegangan (N/m2)
F    = Gaya (N)
A    = Luas penampang (m2)
e    = Regangan
ΔL    = Perubahan Panjang (m)
L    = Panjang (m)
Y    = Modulus Elastisitas (N/m2)
k    = Konstanta Pegas (N/m)
Δx    = Perubahan Panjang (m)
Ep    = Energi Potensial (Joule)
kp    = Konstanta Pegas Pengganti (N/m)

y    = Simpangan (m)
A     = Amplitudo (m)
ω    = Kecepatan sudut (rad/s)
t    = Waktu (s)
θ0    = Posisi Awal (rad)
v    = Kecepatan (m/s)
T    = Periode (s)
f    = Frekuensi (Hz)
m    = Massa (kg)
Ek    = Energi Kinetik (Joule)
Em    = Enegi Mekanik (Joule)
ELASTISITAS&G.H.S
<![if !supportLists]>·         <![endif]>TEGANGAN
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<![if !supportLists]>·         <![endif]>REGANGAN
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<![if !supportLists]>·         <![endif]>MODULUS ELASTISITAS (MODULUS YOUNG)
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<![if !supportLists]>·         <![endif]>HUKUM HOOKE
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<![if !supportLists]>·         <![endif]>GAYA PEMULIH
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<![if !supportLists]>·         <![endif]>ENERGI POTENSIAL PEGAS
<![if !msEquation]><![if !vml]><![endif]><![endif]>                      <![if !msEquation]><![if !vml]><![endif]><![endif]> 
<![if !supportLists]>·         <![endif]>SUSUNAN PEGAS
<![if !supportLists]>·      <![endif]>SERI                        <![if !msEquation]><![if !vml]><![endif]><![endif]>
<![if !supportLists]>·      <![endif]>PARALEL               <![if !msEquation]><![if !vml]><![endif]><![endif]>

GERAK HARMONIK SEDERHANA
<![if !supportLists]>·         <![endif]>SIMPANGAN
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<![if !supportLists]>·         <![endif]>KECEPATAN
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<![if !msEquation]><![if !vml]><![endif]><![endif]>
<![if !supportLists]>·         <![endif]>PERCEPATAN
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<![if !msEquation]><![if !vml]><![endif]><![endif]>
<![if !supportLists]>·         <![endif]>KECEPATAN SUDUT
<![if !msEquation]><![if !vml]><![endif]><![endif]>                                  <![if !msEquation]><![if !vml]><![endif]><![endif]>
<![if !supportLists]>·         <![endif]>PERIODE
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<![if !supportLists]>·         <![endif]>FREKUENSI
<![if !msEquation]><![if !vml]><![endif]><![endif]>
<![if !supportLists]>·         <![endif]>ENERGI
<![if !supportLists]>-       <![endif]>POTENSIAL                          <![if !msEquation]><![if !vml]><![endif]><![endif]>
<![if !supportLists]>-       <![endif]>KINETIK                                                <![if !msEquation]><![if !vml]><![endif]><![endif]>
<![if !supportLists]>-       <![endif]>MEKANIK                             <![if !msEquation]><![if !vml]><![endif]><![endif]>
<![if !supportLists]>·         <![endif]>SUPERPOSISI
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Keterangan :
<![if !supportLists]>s        <![endif]>= Tegangan (N/m2)
F       = Gaya (N)
A       = Luas penampang (m2)
e       = Regangan
DL     = Perubahan Panjang (m)
L        = Panjang (m)
Y       = Modulus Elastisitas (N/m2)
k       = Konstanta Pegas (N/m)
Dx    = Perubahan Panjang (m)
Ep         = Energi Potensial (Joule)
kp      = Konstanta Pegas Pengganti (N/m)

y       = Simpangan (m)
A       = Amplitudo (m)
ω      = Kecepatan sudut (rad/s)
t        = Waktu (s)
q0        = Posisi Awal (rad)
v       = Kecepatan (m/s)
T       = Periode (s)
f        = Frekuensi (Hz)
m      = Massa (kg)
Ek         = Energi Kinetik (Joule)
Em       = Enegi Mekanik (Joule)
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