Why does a gyroscope stand upright for a long time when it rotates?

The moment of inertia, i.e. rotation, has a stable cause, friction, the structure of the gyroscope junction and its working characteristics. Since the tip of the top is approximately spherical, when the top is tilted sideways while rotating, the sides of the spherical surface of the tip will come into contact and rub against the support surface, which will cause the tip of the top to move in the direction of inclination. Evidence:

Long-legged gyroscopes can rotate smoothly on relatively rough surfaces, but they will keep bouncing on smooth glass surfaces for more friction. If the lubricant is applied to the glass surface, it will not run smoothly and will be more difficult.

When the gyro rotates, it not only rotates around its own axis, but also around the vertical axis, making a conical motion. That is, the top "rotates" around its axis and "precession" around its vertical axis. That is, the top is not perpendicular to the ground, but there is a certain deviation from the normal of the ground and a certain inclination from the ground.

Therefore, the gravitational moment of the gyroscope is not zero, and the precession angular momentum of the gyroscope can balance the effect of the gravitational moment, so the gyroscope will not fall to the ground when it rotates.

As for stationary, I think it's because the center of mass is not on the central axis. The center of mass deviates from the geometric center, and when the gyro rotates at low speed, it is obvious that the gyro is tilted downward, because in fact, due to the deviation of the center of mass, the gravitational distance is not 0, the angular momentum will decrease, the kinetic energy will decrease, and this reduction is the work done by gravity. That is, the height has dropped.

This is also why, in real life, the gyroscope will drop from high speed to low speed and finally stop.

The gyroscopic principle, which utilizes high-speed rotation to maintain stability, has actually been widely used in our work and life, such as when a beautiful ballet dancer performs on stage. She always rotates her toes like a spinning top, otherwise, the dancer would not be able to support her tall body or maintain balance on her toes for a long time. Gyroscopes are no longer just toys, their importance lies in the fact that scientists have developed a scientific instrument based on their mechanical characteristics - gyroscopes, which are widely used in scientific research, military technology and other fields.

Because the weight of the top is very evenly balanced, it does not shift in either direction, so it can stand upright for a long time.

When spinning, the forces of all sides are balanced, so it is upright, and if one side has the strength, it falls.

In fact, the main reason is that they maintain their balance when turning, so they can stand upright for a long time.

The spinning top you put there, it's dead. Only by whipping it will it come alive and spin. The more you whip, the faster it spins. Once it spins, it doesn't stop. The spinning top must like to turn on its own, which is the meaning of its existence.

People live lifelessly and can't see hope and the future, so why not learn to spin the top. Our Huai Vertical Strength comes from outside pressure, our parents are getting older and older year by year, waiting for us to take the money back to support them, as well as your own monthly mortgage and other various living expenses waiting for you to pay.

You can't solve the problem by sitting there worrying, you have to turn around. If you turn it, you will live, and if you turn it, you will have a way.

Whenever I am tired and want to stop and rest for a while, whenever I feel okay and want to play with my mobile phone, I start to move again when I think of the spinning top.

When you continue to do things, you will find that you are not really tired. The more you do, the more you do, the more you dedicate yourself, and in the end you forget about your tiredness.

When you continue to do things, you will find that it is not really that there is nothing to do, but that there are things that feel unimportant and do not want to do. Those things that don't seem to be important, when they are really urgently needed, they are flustered again. How can it be done well.

When life enters the vulgar, it is not there to suffer, pain cannot solve the problem, you have to turn around. The outside puts pressure on us, and we must work hard to transform in a good direction. Day by day, little by little.

I don't know what kind of lead and wild life we can turn out in the end, let's not care about it.

Everyone turns their lives differently and accepts their own results. In the end, you will find that success or failure is no longer important, the important thing is to keep changing every moment, and experiencing this process is the most meaningful thing.

The first half of your life can spin at high speed, and the second half of your life requires you to learn to slow down and stop, so that both the mind and body can be still and find the mind. The spinning top will eventually stop, and human life will come to an end, just do your best in everything, don't be too persistent. Life is a game, just be happy.

Taiwan's Taoyuan Daxi Town Office held a challenge to the Guinness World Records of the Big Gyro on the 5th, and in the end, only one 100-pound big top successfully challenged, successfully spinning for 39 seconds, and became the founder of the Guinness World Records of the Big Gyro.

According to Taiwan** reports, the Daxi Town Office held a Guinness World Record Challenge for the Big Gyro on the 5th, and everyone checked in the World Record Race for this large gyro with a diameter of 69 centimeters long, a width of centimeters, and a weight of Taiwan pounds.

According to reports, only 15 players entered the semi-finals after the preliminary round. Due to the debut of this new spinning top, in the first round, the 15 challengers were not familiar with the center of gravity, rope length and spinning point of this new spinning top, resulting in all failures, and no one spindled.

In the second round, a member of the Daxi Town Office successfully challenged to spin for 39 seconds and became the Guinness World Record holder of the Taijin Big Spinning Top. The class member said that after the first round did not spin, he carefully observed the movements of the other runners and found that everyone pulled the rope too fast, so he slowed down his running speed in the second round and finally succeeded.

The gyroscope on civil aviation can turn for hours after the power is off.

The magnetic levitation gyroscope on the Internet is generally about ten minutes, and I don't know much about it on the plane.

1) The resistance of the air (the smoothness of the surface).

2) Friction with the ground. (The smoothness of the ground and the size of the gyro hand are round and smooth) 3) The overall balance of the spinning top. symmetry of the left and right, etc.

4) The volume, weight, etc. of the gyroscope.

5) The speed at which the gyroscopic turns. The higher the rotational speed, the longer it is.

6) Operator's skill. Whether it will jump up when getting off the ground, whether it will touch the side or slide sideways......