Questions

An orifice of area 20 sq mm is made at the bottom of a vessel containing water to a height 20m above the orifice . What is the force on the vessel?

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4.56 N

6.42 N

5.94 N

7.84 N

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detailed solution

Correct option is D

F=Aρv2=20×10−6×103×(2×9.8×20)2=7.84 N

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