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]>GAYA PEMULIH

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<![if !supportLists]>· <![endif]>ENERGI POTENSIAL PEGAS

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<![if !supportLists]>· <![endif]>SUSUNAN PEGAS

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GERAK HARMONIK SEDERHANA

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<![if !supportLists]>· <![endif]>KECEPATAN

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<![if !supportLists]>· <![endif]>PERCEPATAN

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<![if !supportLists]>· <![endif]>KECEPATAN SUDUT

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<![if !supportLists]>· <![endif]>FREKUENSI

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<![if !supportLists]>· <![endif]>ENERGI

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<![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)

E_p= Energi Potensial (Joule)

k_p = 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)

E_k= Energi Kinetik (Joule)

E_m= Enegi Mekanik (Joule)