Each of the lettered points at the corners of the cube in Fig. Q27.12 represents a posit...

Each of the lettered points at the corners of the cube in Fig. Q27.12 represents a positive charge q moving with a velocity of magnitude v in the direction indicated. The region in the figure is in a uniform magnetic field , parallel to the x-axis and directed toward the right. Which charges experience a force due to ? What is the direction of the force on each charge?