A positive charge is moving from the floor of a room toward the ceiling. A magnetic field runs from east to west. In what direction is the magnetic force on the moving positive charge?
Atoward the north
Btoward the south
Ctoward the east
Dtoward the west
Etoward the floor
Atoward the north
Btoward the south
Ctoward the east
Dtoward the west
Etoward the floor