【单选题】A tank 36 ft. by 36 ft. by 6 ft. is filled with water to a depth of 5 ft. If a bulkhead is placed in the center of the tank running fore-and-aft along the 36-foot axis,how will the value of the moment...
A.
The moment of inertia would remain unchanged
B.
The moment of inertia would be 1/4 its original value
C.
The moment of inertia would be 1/2 the original value