Hint, the moment 2FA has to be greater than the opposite moment exerted by sea water -fresh water. see
http://www.geo.hunter.cuny.edu/~hsalmun/intro2fm07web/lectures/chapter2_2.pdf for details
Jim
Haizal O.
asked • 07/25/15A 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
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.
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