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Hitunglah gaya tarik gravitasi antara bumi dan bulan jika jarak bumi ke bulan , massa Bumi , dan massa Bulan !

Hitunglah gaya tarik gravitasi antara bumi dan bulan jika jarak bumi ke bulan begin mathsize 14px style 3 space cross times space 10 to the power of 8 space straight m end style, massa Bumi begin mathsize 14px style 5 comma 98 space cross times space 10 to the power of 24 space kg end style, dan massa Bulan begin mathsize 14px style 7 comma 36 space cross times space 10 to the power of 22 space kg end style!

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Jawaban:

Gaya tarik gravitasi dihitung dengan menggunakan persamaan Hukum Gravitasi Newton sebagai berikut :

begin mathsize 14px style F space equals space G space fraction numerator m subscript 1 space m subscript 2 over denominator r squared end fraction F space equals space 6 comma 67 cross times 10 to the power of negative 11 end exponent space Nm squared divided by kg squared space fraction numerator 5 comma 98 cross times 10 to the power of 24 space kg space times space 7 comma 36 cross times 10 to the power of 22 space kg over denominator open parentheses 3 comma 8 cross times 10 to the power of 8 space straight m close parentheses squared end fraction bold italic F bold space bold equals bold space bold 20 bold comma bold 33 bold space bold cross times bold space bold 10 to the power of bold 19 bold space bold N end style 

Jadi, gaya tarik gravitasi antara bumi dan bulan adalah begin mathsize 14px style bold 20 bold comma bold 33 bold space bold cross times bold space bold 10 to the power of bold 19 bold space bold N end style.

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