a 5m ×4m×3m tank is filled with water. what pressure is exerted by it at its bottom .(given; density of water=1000 kg/mcube and 100m/second square)
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Pressure (P) at the bottom of the tank is given by P=hdg
=1m×1000kg×9.8ms^−2
=9800Nm^−2
Surface area at the bottom of the tank
=2m×1.5m
=3m^2
∴Thrust at the bottom of the tank = force × area
=9800Nm−2×3m^2
=29,400N.
Hope you understand.
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