Consider the figure below relating to buoyancy in water.
What will be the downward force upon the top of the body ABCDEF?
A
The weight of the liquid column ABCHG
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B
The weight of the liquid column DEFGH
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C
The weight of the liquid column ABCHG -the weight of the liquid column DEFGH
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D
The weight of the liquid column ABCHG + the weight of the liquid column DEFGH
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Solution
The correct option is A The weight of the liquid column ABCHG The downward force upon the top of the body ABCDEF will be equal to the weight of the liquid contained in the portion ABC extending vertically above the curved surface upto the free surface of the liquid.