The depth of the centre of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is
A. 2.4 m
B. 3.0 m
C. 4.0 m
D. 5.0 m
Answer: Option B
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depth of center of pressure= 6/2=3
because the surface concide
ts option C, as Depth of centre of pressure= 2h/3 for rectangular lamina. so H=4m
Centre of pressure = I/ax+x.
I= bd3/12.
a=bd.
x=d/2.
4m..C is correct
Its option C, as Depth of centre of pressure= 2h/3 for rectangular lamina. so H=4m