Jawabanmu

2014-05-23T17:21:25+07:00
10/50 = 30/A2
10A2 = 150
A2 = 150/10
A2 = 15

kira2 kalo jwbn trakhirnya 150 bisa kan
iya bisa, td kan cm2 blm diganti m2
2014-05-23T17:25:17+07:00
Dik : A1 = 10cm2 (0.001 m2)
A2 = 30cm2 (0.003 m2)
F1 = 50 N
dit : F2 = ...N?
peny.
P1 = P2
F1/A1 = F2/A2
50N / 0.001 m2 = F2 / 0.003 m2
50000 N/m2 = F2 / 0.003 m2
F2 = 50.000 N/m2 x 0.003 m2
= 150 N.