November 2018 1 141 Report
Pd sbuah peti 6 kg dtarik dgn gaya tetap F = 50 N yg arahnya 37° trhdap horizontal
(sin 37° = 0,6). sbuah gya F = 10 N mnghambat gerakan peti itu. peti brpindah sejauh 3 m ke kanan. hitung :
a). usaha yg dilakukan oleh stiap gaya yg bkerja pd peti
b). usaha total yg dilakukan pd peti
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