Jawabanmu

2014-04-10T21:10:43+07:00
F2 = M.g =40.000 Newton

F1/A1 =F2/A2
F1/50=40000/4000
F1 = 2000 Newton

Semoga terbantu
2014-04-10T21:20:23+07:00
F1/A1 = f2/A2 f1/50 = 40000/4000 f1 = 200 N