Jawabanmu

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2014-08-15T19:23:52+07:00
F=m.a
30=m.5
m=30/5 = 6
jadi F=m.a
         =6.2 = 12 N
1 5 1
2014-08-15T20:07:08+07:00
Diketahui = F1 = 30 N
a1 = 5 m/s ^2
a2 = 2 m/s^2
m1=m2
Ditanya = F2 ?
Jawab = F1/F2 = (m1.a1)/(m2.a2)
30/F2 = (m1.5)/(m1.2) .......#m1 dicoret
30/F2= 5/2
F2 = 12 N