Viewed along the axle of an electric toothbrush motor, conductor R is to the left of the axle and conductor S is to the right. At this instant, R experiences an upward force and S experiences an equal downward force. Which describes the coil's initial motion?
It starts to rotate anticlockwise about the axle
It moves upwards without rotating
It remains stationary because the forces balance
It starts to rotate clockwise about the axle