In Trial 9, the electrical force exerted by Sphere Y on Sphere X and the electrical force exerted by Sphere X on Sphere Y were exerted in which direction(s)?
- Aeast; east
- Beast; west
- Cwest; west
- Dwest; east
In Trial 9, the electrical force exerted by Sphere Y on Sphere X and the electrical force exerted by Sphere X on Sphere Y were exerted in which direction(s)?
1、The force exerted by a propeller which
The force exerted by a propeller which tends to throw the stern right or left is called().AslipBsidewise forceCrotational forceDthrust
2、In the presence of external forces,the
In the presence of external forces,the center of buoyancy of an inclined vessel is vertically aligned with the().Acenter of gravityBmetacenterCcenter of flotationDkeel
3、In the M-Emooring trial, the starting
In the M-Emooring trial, the starting trial is carried under()Acold conditionBstillness conditionCcertain air pressureDthe surveyors supervisio
4、Not in the labor force 不属于劳动力
Not in the labor force 不属于劳动力
5、()means rudder to be held in the force
()means rudder to be held in the force and aft angles.ASteadyBMeet herCMidshipsDStop engine
6、In the absence of external forces,the
In the absence of external forces,the center of buoyancy of an inclined vessel is vertically aligned directly below the().Acenter of gravityBamidships stationCcenter of flotationDgeometric center of the waterplane area