A dam has a base area of 2500 m square and is filled with water of high 27 m. What is the pressure exerted on the base of the dam?
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Explanation:
density of water = 1000 kg/m^3
acceleration due to gravity = 10 m/s^2
h = 27 m
pressure= 1000*10*27 = 2.7*10^5 N/m^2
force = pressure*area
= 2.7*10^5 * 2500 = 6750*10^5 N
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