As shown in the picture, it is an interesting magnetic experiment demonstrated by Teacher Liu in class. When the magnetic gyro rotates above the magnetic steel plate, it will not fall down. Please sign in.
(1) From the meaning of the question, the magnetic gyro and the magnetic steel plate repel each other, which means that the adjacent magnetic poles are different, and the upper end of the steel plate is the S pole, so the lower end of the gyro is also the S pole;
(2) The gyro is influenced by gravity and repulsive force of steel plate. These two forces are a pair of balancing forces, equal in magnitude and opposite in direction, acting on the same straight line, as shown in the following figure: