Answers

圧力=力÷面積

立方体の底面積
=3cm×3cm=9cm²
=0.0009m²

物体が押しのけた水の体積
=2×3×3=18cm³
水の質量
=18g
水の重力
=0.18N

圧力=0.18N÷0.0009m²=200Pa

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