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Weight of fluid block

  • Thread starter werson tan
  • Start date
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1. Homework Statement
why the formula of weight of fluid block is given by the formula of ρg[ (R^2) - pi(R^2) ] 1?

what does the 1m mean here ?
shouldn't it = ρg (pi) (R^2) h ?
2. Homework Equations



3. The Attempt at a Solution
 

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BvU

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It's a square minus a quarter circle. ##W## is the weight of 1 m length (i.e. into the paper) of the area shaded grey in the right picture in Fig 3-36.
 

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