NO | KETERANGAN | PERSAMAAN | |
1 | Simpangan |
\(y = A \sin (\omega t + \theta_o)\) |
|
Simpangan maksimum
\(y_{\text{max}} = A\) |
Simpangan minimum
\(y_{\text{min}} = 0\) |
||
2 | Kecepatan getar | \(v = \dfrac{dy}{dt}\)
\(v = \omega A \cos (\omega t + \theta_o)\) \(v = \omega \sqrt{A^2 - y^2}\) |
|
Kecepatan maksimum
\(v = \omega \: A \) |
Kecepatan minimum
\(v = 0\) |
||
3 | Percepatan getar | \(a = \dfrac{dv}{dt} = \dfrac{d^2 y}{dy^2}\)
\(a = -\omega^2 A \sin (\omega t + \theta_o)\) \(a = -\omega^2 \: y\) |
|
Percepatan maksimum
\(a = \omega^2 A \) |
Percepatan minimum
\(a = 0 \) |
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4 |
Fase Getaran | \(\varphi = \dfrac{t}{T}\) | |
5 |
Konstanta Getaran | \(k = \omega^2 \:.\: m\) | |
6 | Energi potensial |
\(E_p = \frac{1}{2} \: k \: y^2\) |
|
Energi potensial maksimum
\(E_{\text{p max}} = \frac{1}{2} \: k \: A^2\) |
Energi potensial minimum
\(E_{\text{p min}} = 0\) |
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7 | Energi kinetik |
\(E_k = \frac{1}{2} \: m \: v^2\) |
|
Energi kinetik maksimum
\(E_{\text{k max}} = \frac{1}{2} \: m \: \omega^2 \: A^2\) |
Energi kinetik minimum
\(E_{\text{k min}} = 0\) |
||
8 |
Energi Mekanik | \(E_M = E_p + E_k = \frac{1}{2} \: k \: A^2\) | |
9 | Bandul dan Pegas | Bandul
\(T = 2 \pi \sqrt{\dfrac{l}{g}}\) \(f = \dfrac{1}{2 \pi} \sqrt{\dfrac{g}{l}}\) |
Pegas
\(T = 2 \pi \sqrt{\dfrac{m}{k}}\) \(f = \dfrac{1}{2 \pi} \sqrt{\dfrac{k}{m}}\) |
10 |
Gaya Pemulih | \(F = m \:.\: a\) |