Jawabanmu

2014-08-27T21:59:16+07:00
M = massa benda (kg)
gravitasi bumi  = gbumi = 10 m/s kwadrat
gravitasi bulan = gbulan = 10/6 m/s kwadrat
F = m x g
Fbumi = m x gbumi
900 = m x 10
m = 90 kg

Fbulan = m x gbulan
Fbulan = 90 x 10/6 = 150 N
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