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单选题 The net force per unit length acting on a ship in still water is ______
学科：默认课程
时间：2026-05-07 03:51:33
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题目1判断题
The structural strength of a ship refers to its ability to resist external forces without causing serious deformation or damageA. 正确B. 错误
题目2判断题
The net force per unit length is always zero in still waterA. 正确B. 错误
题目3判断题
The hydrostatic force B is equal to the gravitational force acting on the mass M of the ship, i.e., MgA. 正确B. 错误
题目4判断题
The structural strength problem is a static problemA. 正确B. 错误
题目5单选题
The structural strength problem of a ship is essentially a ______ problemA. staticB. dynamicC. thermalD. electrical
题目6单选题
The net force per unit length acting on a ship in still water is ______A. ρgaB. mgC. ρga - mgD. mg - ρga
题目7单选题
In still water, the hydrostatic force B on a ship is equal to ______A. mgB. maC. ρgaD. ρga - mg
题目8单选题
The shearing force in the ship's structure is calculated by ______A. ∫(ρga - mg)dxB. ∬(ρga - mg)dxC. ∫(ρga + mg)dxD. ∬(ρga + mg)dx
题目9单选题
The structural strength problem of a ship involves two main aspects: ______ and determining the response of the structure to those forcesA. assessing the forces acting on the shipB. calculating the net force per unit lengthC. measuring the bending momentD. evaluating the shear force
题目10单选题
Which of the following is NOT a type of ship structural strength mentioned in the contentA. longitudinal strengthB. transverse strengthC. local strengthD. torsional strength
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