This figure is a schematic drawing of a magnetohydrodynamic propulsion unit. The electrodes create a current of ionized seawater as shown by the arrows between them. The direction of seawater and the magnetic field have been indicated. What will be the direction of thrust created by the unit?

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This figure is a schematic drawing of a magnetohydrodynamic propulsion unit. The electrodes create a current of ionized seawater as shown by the arrows between them. The direction of seawater and the magnetic field have been indicated. What will be the direction of thrust created by the unit?