Jawabanmu

2014-01-31T18:16:30+07:00
Dik:w=8000 N
     h=2 m
     s=5 m
dit: F=...?
peny: F = w.h/s
            =8000.2/5
            =16000/5
            =3200 N

INSYA ALLAH BENAR

2014-01-31T18:49:22+07:00
Pakai rumus ini agar mudah
F . s = w . h

F . 5m = 8000 N . 2m
F = 16000 J / 5m
F = 3200 N


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