September 2018 1 3K Report
Seorang pedagang mainan memikul dagangannya seperti tampak pada gambar.
Wa: 100 N, Wb: 250 N, jika panjang batang pikulan 120 cm, tentukan jarak AO agar terjadi keseimbangan. massa batang diabaikan.

(tlg cz butuh segera)


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