The uniform 8-ft board is pushed down into the water so it makes an angle of 30 degrees with the water surface. The cross section of the board measures 3 inch by 9 inch and its specific weight is 30lb/ft.3. Determine the Vertical Force F needed to hold its end in this position. A) None of the above B) 66.564 lb C) 19.90 lb 5.55 lb

The uniform 8-ft board is pushed down into the water so it makes an angle of 30 degrees with the water surface. The cross section of the board measures 3 inch by 9 inch and its specific weight is 30lb/ft.3. Determine the Vertical Force F needed to hold its end in this position. A) None of the above B) 66.564 lb C) 19.90 lb 5.55 lb

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

The uniform 8-ft board is pushed down into the water so it makes an angle of 30 degrees with the water surface. The cross section of the board
measures 3 inch by 9 inch and its specific weight is 30lb/ft.3. Determine the Vertical Force F needed to hold its end in this position.
A) None of the above
B
66.564 Ib
C) 19.90 Ib
(D) 5.55 lb

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