•>. Sistem berada pada kondisi se-timbang. [ΣF = 0 & Στ = 0]
~> Keterangan ;
Arah berlawanan jarum jam (-)
Arah Se-arah jarum jam (+)
L = Panjang batang.
Wt = Gaya berat balok.
Wb = Gaya berat batang.
Στ = 0
+ Wt. L cos 45° + fges. L cos 45°- Wb. 1/2. L cos 45° - T. L sin 45° = 0
150.L/√2 + fges.L/√2 - 250.L/√2 - T.L/√2 = 0
- 100.L/√2 + fges.L/√2 = T.L/√2
- 100 + fges = T
T = fges - 100 N. ✓✓
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•>. Sistem berada pada kondisi se-timbang. [ΣF = 0 & Στ = 0]
~> Keterangan ;
Arah berlawanan jarum jam (-)
Arah Se-arah jarum jam (+)
L = Panjang batang.
Wt = Gaya berat balok.
Wb = Gaya berat batang.
Στ = 0
+ Wt. L cos 45° + fges. L cos 45°- Wb. 1/2. L cos 45° - T. L sin 45° = 0
150.L/√2 + fges.L/√2 - 250.L/√2 - T.L/√2 = 0
- 100.L/√2 + fges.L/√2 = T.L/√2
- 100 + fges = T
T = fges - 100 N. ✓✓