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Derive the force due to external water pressure acting on the weir body ( Student expected to present a diagram similar to one below to

Derive the force due to external water pressure acting on the weir body (Student expected to present a diagram similar to one below to show the external water pressure acting on the dam/weir).

H A 11 upstream side 2 wH EZ H 3 The Constructor Org w.H downstream side Dam B

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