A container has a large cylindrical lower part with a long thin cylindrical neck

Question

A container has a large cylindrical lower part with a long thin cylindrical neck. The lower part of the container holds 12.5 m^3 of water and the surface area of the bottom of the container is 5.00 m^2. The height of the lower part of the container is 2.50 m and the neck contains a column of water 8.50 m high. The total volume of the column of water in the neck is 0.200 m^3. What is the magnitude of the force exerted by the water on the bottom of the container?
a) 1.65 x 10^6N b) 1.05 x 10^6N c) 1.15 x 10^6N d) 1.35 x 10^6N

I thought to do F=PA= (density)gh + Patm (SA^2)

but I'm not getting one of the possible answers.

Thanks!!

Explanation / Answer

Given all of these, You can evaluate as : P = ?*g[(h1+h2)] which is 1000*9.8[(2.50 + 8.50)] will be approximately 1.1x105 Since force is of pressure and area F = 1.1* 5 *105 = 5.39x105 N an answer

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