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Jika massa bulan 7,35×1022 kg, massa bumi 5,98×1024 kg, massa matahari 1,99×1030 kg, jarak bumi ke bulan 3,8×108 m, dan jarak bumi ke matahari 1,5×1011 m, maka gaya tarik bulan adalah ... N.

Pertanyaan

Jika massa bulan 7 comma 35 cross times 10 to the power of 22 space kg, massa bumi 5 comma 98 cross times 10 to the power of 24 space kg, massa matahari 1 comma 99 cross times 10 to the power of 30 space kg, jarak bumi ke bulan 3 comma 8 cross times 10 to the power of 8 space straight m, dan jarak bumi ke matahari 1 comma 5 cross times 10 to the power of 11 space straight m, maka gaya tarik bulan adalah ... N.

  1. 3 comma 49 cross times 10 to the power of 18 

  2. 4 comma 77 cross times 10 to the power of 18 

  3. 5 comma 49 cross times 10 to the power of 18 

  4. 6 comma 77 cross times 10 to the power of 18 

  5. 7 comma 49 cross times 10 to the power of 18 

N. Puspita

Master Teacher

Jawaban terverifikasi

Jawaban

tidak ada pilihan jawaban yang tepat.

Pembahasan

Diketahui:

massa bulan 7 comma 35 cross times 10 to the power of 22 space kg
massa bumi 5 comma 98 cross times 10 to the power of 24 space kg,
massa matahari 1 comma 99 cross times 10 to the power of 30 space kg,
jarak bumi ke bulan 3 comma 8 cross times 10 to the power of 8 space straight m
jarak bumi ke matahari 1 comma 5 cross times 10 to the power of 11 space straight m

Ditanyakan: gaya tarik bulan?
Jawab:

Gravitasi merupakan gaya tarik-menarik yang terjadi selang semua partikel yang mempunyai massa di dunia semesta.

Gaya tarik bulan dan matahari

F subscript b l. m end subscript equals fraction numerator G m subscript b l end subscript. m subscript m over denominator r subscript b l. m end subscript squared end fraction F subscript b l. m end subscript equals fraction numerator open parentheses 6 comma 67 cross times 10 to the power of negative 11 end exponent close parentheses open parentheses 7 comma 35 cross times 10 to the power of 22 close parentheses open parentheses 1 comma 99 cross times 10 to the power of 30 close parentheses over denominator open parentheses 3 comma 8 cross times 10 to the power of 8 plus 1 comma 5 cross times 10 to the power of 11 close parentheses squared end fraction F subscript b l. m end subscript equals fraction numerator 97 comma 56 cross times 10 to the power of 41 over denominator open parentheses 1503 comma 8 cross times 10 to the power of 8 close parentheses squared end fraction F subscript b l. m end subscript equals 4 comma 31 cross times 10 to the power of 20 space straight N   

Gaya tarik bulan dan bumi
F subscript b l. b m end subscript equals fraction numerator G m subscript b l end subscript. m subscript b m end subscript over denominator r subscript b l. b m end subscript squared end fraction F subscript b l. b m end subscript equals fraction numerator open parentheses 6 comma 67 cross times 10 to the power of negative 11 end exponent close parentheses open parentheses 7 comma 35 cross times 10 to the power of 22 close parentheses open parentheses 5 comma 98 cross times 10 to the power of 24 close parentheses over denominator open parentheses 3 comma 8 cross times 10 to the power of 8 close parentheses squared end fraction F subscript b l. b m end subscript equals fraction numerator 293 comma 17 cross times 10 to the power of 35 over denominator open parentheses 3 comma 8 cross times 10 to the power of 8 close parentheses squared end fraction F subscript b l. b m end subscript equals 20 comma 30 cross times 10 to the power of 19 space straight N  

Gaya total bulan
F equals 4 comma 31 cross times 10 to the power of 20 plus 20 comma 30 cross times 10 to the power of 19 F equals 63 comma 4 cross times 10 to the power of 19 space straight N 

Jadi, tidak ada pilihan jawaban yang tepat.

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Adisty Fitriyani

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