Question: 2 . A heavy rectangular gate ( ( 1 . 8 mathrm { ~m } times 1 . mathrm { m

2. A heavy rectangular gate \((1.8\mathrm{~m}\times 1.\mathrm{m})\) is used to detain water in a reservoir.
Calculate the weight of this gate (give the result in N and in kg ) for it to just begin to open when the water depth is as shown.
The gate's center of gravity (i.e. the point at which its weight acts through is located at its center.
2 . A heavy rectangular gate \ ( ( 1 . 8 \ mathrm

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