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BENDA TEGAR - Mirza Satriawan

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Kekekalan momentum sudut<br />

Sehingga total torka yang bekerja pada sistem partikel hanyalah torka<br />

eksternal, dan perubahan momentum sudut total sistem hanya bergantung<br />

pada torka eksternal<br />

d L<br />

dt = τekst tot<br />

(17)<br />

Ketika tidak ada torka eksternal maka momentum sudut total sistem<br />

akan konstan.<br />

13/36<br />

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