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m1 = 1 kg
m2 = 2 kg
F = 6 N
ditanyakan : F kontak ?
Dijawab :
Percepatan :
ΣF = m x a
6 = (1+2) x a
6 = 3 a
a = 6/3
a = 2 m/s²
Tinjau benda 2 (krn lbh besar jadi yg mendorong)
F - Fk = mb x a
6 - Fk = 2 x 2
6 - Fk = 4
Fk = 6-4
Fk = 2
Atau Tinjau Benda 1 :
F kontak = m1 x a
= 1 x 2
= 2
Jadi Gaya kontak = 2