A square gate, 1.5 m × 1.5 m, on one of the vertical sides of a fully filled water tank, has one side on the free water surface. It is hinged on the lower horizontal side and is held in position by a force applied on the vertical central line at depth of 0.75 m below the free surface. The right magnitude of this force is

A square gate, 1.5 m × 1.5 m, on one of the vertical sides of a fully

1.	A square gate, 1.5 m × 1.5 m, on one of the vertical sides of a fully filled water tank, has one side on the free water surface. It is hinged on the lower horizontal side and is held in position by a force applied on the vertical central line at depth of 0.75 m below the free surface. The right magnitude of this force is
A.	500 × 9.81 N
B.	600 × 9.81 N
C.	750 × 9.81 N
D.	1128 × 9.81 N
Answer» E.

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