Massa benda 10 kg, berapa tegangan tali? Keterangan gambar ada di bawah!
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- Kesetimbangan Partikel
w = 100 N
T₃ = w = 100 N ← jwb
Persamaan (Aturan sinus)
T₁ T₂ T₃
------------------- = ------------ = -------------------
sin (53°+90°) sin 53° sin (37°+90°)
T₁ T₂ 100
------------------- = ------------ = -------------------
cos 53° sin 53° cos 37°
T₁ T₂ 100
------------------- = ------------ = -------------------
³/₅ ⁴/₅ ⁴/₅
T₁ = 100 · ³/₅ · ⁵/₄ = 75 N ← jwb
T₂ = 100 · ⁴/₅ · ⁵/₄ = 100 N ← jwb
- Kesetimbangan Partikel
w = 100 N
T₃ = w = 100 N ← jwb
Persamaan (Aturan sinus)
T₁ T₂ T₃
------------------- = ------------ = -------------------
sin (53°+90°) sin 53° sin (37°+90°)
T₁ T₂ 100
------------------- = ------------ = -------------------
cos 53° sin 53° cos 37°
T₁ T₂ 100
------------------- = ------------ = -------------------
³/₅ ⁴/₅ ⁴/₅
T₁ = 100 · ³/₅ · ⁵/₄ = 75 N ← jwb
T₂ = 100 · ⁴/₅ · ⁵/₄ = 100 N ← jwb