Pressure P= mg/S
P₁ = mg/s₁ =0.4•10/0.2•0.2 =100 Pa
P₂ = mg/s₂ =0.4•10/0.1•0.1 =400 Pa
P₃= mg/s₃ =0.4•10/0.05•0.05 =1600 Pa
a rectangular box of mass 400g has a diameter 20cm by 10cm by 5cm compute the pressure it exerts on each face of the box when it rests on a table take g=10m/s2
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Genie
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