An unstable upright equilibrium position on a vessel means that the metacenter is().
A、lower than the center of gravity
B、at the same height as the center of gravity
C、higher than the baseline
D、on the longitudinal centerline
A、lower than the center of gravity
B、at the same height as the center of gravity
C、higher than the baseline
D、on the longitudinal centerline
A、lower than the center of gravity B、at the same height as the center of gravity C、higher than the baseline D、on the longitudinal centerline
A、A.lower than the center of gravity B、B.at the same height as the center of gravity C、C.heigher than the baseline D、D.on the longitudinal centerline
A、increase the righting moment B、cause an increase in the righting arm C、bring the unit to an upright equilibrium position D、cause the unit to flop to a greater angle
A、A.increase the righting moment B、B.cause an increase in the righting arm C、C.bring the vessel to an upright equilibrium position D、D.cause the vessel to flop to a greater angle