Engineering, 12.02.2020 19:19 barstr9146
The uniform 8–ft board is pushed down into the water so it makes an angle of θ = 30o with the water surface. If the cross section of the board 3 in by 9 in, and its specific weight is γ = 30 lb/ft3 , determine the length a that will be submerged and the vertical force F needed to hold this end in this position.
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The uniform 8–ft board is pushed down into the water so it makes an angle of θ = 30o with the water...
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