$\"\"$

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From exercise (23) :

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Fluid force on a circular plate is $\"\"$ .

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(a)

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The radius of the circular plate is $\"\"$ .

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The center of the circle is $\"\"$ $\"\"$ feet below the surface of the fluid.

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Consider the depth of the tank is $\"\"$ .

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The weight density of water is $\"\"$ .

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Substitute $\"\"$ , $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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(b)

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The radius of the circular plate is $\"\"$ .

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The center of the circle is $\"\"$ $\"\"$ feet below the surface of the fluid.

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Consider the depth of the tank is $\"\"$ .

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The weight density of water is $\"\"$ .

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Substitute $\"\"$ , $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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(a) $\"\"$ .

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(b) $\"\"$ .