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W₂-W₁ = (m₁+m₂) a
30N-20N = (2+3)kg a
10 N = 5kga
a = 2 N/kg
W₂-T₂ = m₂ . a
30 N-T₂ = 3 kg . 2 N/kg
30 N-T₂ = 6 N
T₂ = 24 N
T1 – w1 = (m1)(a)
T1 – 20 = (2)(2)
T1 – 20 = 4
T1 = 4 + 20
T1 = 24 N
T = T₁ = T₂
= 24 N
smoga membantu
m2= 3kg ; w2 = 30N
t2=t1
ΣF = m.a
w2 - T2 + T1 -w1 = mtotal.a
w2-w1= mtot.a
10 = 5.a
a = 2 m/s^2
Lihat m2
w2-T=m.a
30-T = 3.2
T = 30-6 = 24 N (B)