Roboguru

Perhatikan gambar gaya-gaya di bawah ini! Besar...

Perhatikan gambar gaya-gaya di bawah ini!

Besar resultan ketiga gaya tersebut adalah ...space 

  1. begin mathsize 14px style 4 comma 0 space straight N end style  undefined 

  2. begin mathsize 14px style 4 square root of 3 space straight N end style  undefined 

  3. begin mathsize 14px style 6 comma 0 space straight N end style  undefined 

  4. begin mathsize 14px style 6 square root of 3 space straight N end style  undefined 

  5. begin mathsize 14px style 8 space straight N end style   space 

Jawaban:

Diketahui:

begin mathsize 14px style F subscript 1 equals 6 space straight N F subscript 2 equals 6 space straight N F subscript 3 equals 12 space straight N alpha subscript 1 equals 60 degree alpha subscript 3 equals 60 degree  Resultan space gaya  capital sigma F subscript x equals F subscript 1 space cos open parentheses alpha subscript 1 close parentheses plus F subscript 3 space cos open parentheses alpha subscript 3 close parentheses minus F subscript 2 capital sigma F subscript x equals 6 space cos open parentheses 60 degree close parentheses plus 12 space cos open parentheses 60 degree close parentheses minus 6 capital sigma F subscript x equals 3 space straight N  capital sigma F subscript y equals F subscript 1 space sin open parentheses alpha subscript 1 close parentheses plus F subscript 3 space sin open parentheses alpha subscript 3 close parentheses capital sigma F subscript y equals 6 space sin open parentheses 60 degree close parentheses minus 12 space sin open parentheses 60 degree close parentheses capital sigma F subscript y equals negative 3 square root of 3 space straight N  F equals square root of capital sigma F subscript x squared plus capital sigma F subscript y squared end root F equals square root of 3 squared plus open parentheses negative 3 square root of 3 close parentheses squared end root bold italic F bold equals bold 6 bold space bold N end style

Jadi, jawaban yang tepat adalah Cundefined 

0

Ruangguru

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Ruangguru

Produk Ruangguru

Produk Lainnya

Hubungi Kami

Ikuti Kami

©2021 Ruangguru. All Rights Reserved