Sistem setimbang
∑τ = 0
W berat batang
Wb berat beban
T.sin 30.20 - W.10 - Wb.20 = 0
T.1/2.20 - 10.10 - 20.10
10T = 300
T = 30 N
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Sistem setimbang
∑τ = 0
W berat batang
Wb berat beban
T.sin 30.20 - W.10 - Wb.20 = 0
T.1/2.20 - 10.10 - 20.10
10T = 300
T = 30 N