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Questions  

An orifice of area 10 sq.mm is made at the bottom of a vessel containing water to a height of 10m above the orifice. What is the force on the vessel

a
9.98N
b
9.8N
c
1.96N
d
19.6N

detailed solution

Correct option is C

F=Aρυ2                                              =10×10−6×103(2gh)2 =10−2(2×9.8×10)                       = 1.96 N

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