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= 60.000 cm^3
=0,06 m^3
Massa = ρ x V
= 800 x 0,06
= 48 kg
g = 10 m/s^2
F = W
=m x g
=48 x 10
=480 N
tekanan maksimum, jadi luasnya harus yang terkecil
A terkecil = 30 x 40
=1200 cm^2
=0,12 m^2
P =F / A
=480 / 0,12
= 4000 Pa