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wu=100N
wa=50N
Ditanyakan:
ρ benda=?
DIjawab:
kita anggap ρ air=1000 kg/m³
cari gaya apung dengan memakai rumus gaya apung
Fa=100-50
Fa=50N
Sekarang,cari Volume air.
50N=1000.10.Va
Va=
Va=5x10⁻³ m³
Lalu,kita cari massa jenis benda.
Va=Vb