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After a severe rainstorm, the flat roof of the building shown in Fig. (a) is covered by 75mm of rainwater. The specific weight of water is
10,000 N/m3, so water at a depth of 75mm causes a uniform pressure of 10,000(75/1000)=750 N/m². Determine the resultant force that the
water exerts on the roof.
10 m-
410m
750 N/m² on roof
-37.5 m²
(a)
fa-16 m>
田
田

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