hitunglah nilai tegangan tali t1 dam t2

Jika sistem diam

m1 = 4 kg
m2 = 5 kg
g = 10 m/s²

ΣF = m a
T2 - w2 = 0
T2 = w2
T2 = m2 g
T2 = 5 × 10 = 50 N

ΣF = m a
T1 - w1 - w2 = 0
T1 = w1 + w2
T1 = (m1 + m2) g
T1 = (5 + 4) × 10 = 90 N