Haizal O.

asked • 07/25/15

A fluid mechanics question, please help.

A vertical rectangular gate, 3m wide and 2m high is hinged at H.
On the left side of the gate, sea water lies up to a height 1.2m above the top of the gate.
Whereas on the right side of the gate, water is available up to a height touching the top of the gate.

Determine the horizontal force at the top of the gate, which is required to open it, FA
[Given: Pwater = 1000 kg/m3 & Psea water = 1050 kg/m3]
DIAGRAM HERE: https://i499.photobucket.com/albums/rr354/sdsdasdsdsdsdsd/Flu_zps1rhhtspz.jpg

I'm definitely stumped. My answers don't add up. :(
Thank you for your time.

1 Expert Answer


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