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Water stands at a depth `D` behind the vertical upstream face of a dam as shown in the figure. The force exerted on the dam by water per unit width is

A

`(1)/(3) rhogD^(2)`

B

`(1)/(2) rhogD^(2)`

C

`(1)/(3) rhogD`

D

`(1)/(2) (rho gD)^(2)`

Text Solution

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The correct Answer is:
B
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