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 sectio

Question

3 years ago

14

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 sectio

n 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.

Engineering

1 answer:

lana66690 [7] · Answer 1 · 2022-07-03T18:04:07+03:00

lana66690 [7]3 years ago

3 0

Answer:

The vertical force, F = 19.9 lb.

Explanation: