Penjelasan dengan langkah-langkah:

Pembahasan Soal:

Diketahui :

table attributes columnalign right center left columnspacing 0px end attributes row cell F subscript 1 end cell equals cell 20 space straight N end cell row cell F subscript 2 end cell equals cell 10 space straight N end cell row s equals cell 20 space straight m end cell row W equals cell 500 space joule end cell end table

Ditanya : fg ?

Jawab :

Besar gaya gesek dapat dicari menggunakan rumus usaha berikut.

table attributes columnalign right center left columnspacing 0px end attributes row W equals cell capital sigma F times s end cell row W equals cell open parentheses F subscript 1 plus F subscript 2 minus f subscript g close parentheses times s end cell row 500 equals cell open parentheses 20 plus 10 minus f subscript g close parentheses times 20 end cell row 500 equals cell open parentheses 30 minus f subscript g close parentheses times 20 end cell row 500 equals cell 600 minus 20 f subscript g end cell row cell 20 f subscript g end cell equals 100 row cell f subscript g end cell equals cell 5 space straight N end cell end table

Jadi, besar gaya geseknya adalah 5 N

Master Teacher.

Cristian Jhonatan SIMORANGKIR