Gunakan rumus kesetimbangan benda.
Bandingkan contoh soal nomor 2 di halaman berikut :
http://gurumuda.net/contoh-soal-kesetimbangan-benda-tegar.htm
On 8/3/13, Patrick Prayoga <patrick_prayoga@yahoo.com> wrote:
> Coba 300 kg di 3 meter dari poros sumbu, dan 200 kg di 2 meter dari poros
> sumbu. Gmn?
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