If the rotation speed of the earth decreases slowly

The Earth's rotation is indeed slowly decreasing, but very slowly, very slowly.

Since it is slowly decreasing, the static friction can stabilize you.

You took the bus, and the driver didn't knock you off the brakes, right?

It depends on what causes the deceleration, which usually not, because the objects on the earth rotate synchronously with the earth through static friction, and they have to be subtracted together.

By that time, humanity would have been wiped out. At that time, the earth, like the moon, will be devoid of life.

Before that time, humanity may be wiped out by the natural disasters caused by World War III.

No, but there is no day or night.

All I know is that many years from now, there will probably be 25 hours in a day!

The rotation speed of the earth is gradually slowing down, and it is the period of the moon that orbits the earth that affects the rotation speed of the earth.

1.In the early stages of formation, any star system, including the solar system, is composed of a variety of gases and dusts, with a very uneven mass distribution. Under the action of gravity, gases, dust, and other substances collapse inward.

When the mass and gravity are large enough, nuclear fusion occurs and a star is born. A planet the size of Mars struck the Earth violently. The collision deprived the Earth of a part and turned it into a moon.

At the same time, the collision also gives the Earth additional angular momentum.

2.The first celestial body in the solar system was the Sun, and the rest of the dust formed eight planets, such as the Earth. If there is no external torque, the total angular momentum of the nebula is not lost with the change in shape, and the celestial bodies in the solar system, such as the Earth and the Sun, will allocate a certain amount of angular momentum and maintain the total angular momentum in the process.

This is the reason why the Earth rotates, and why other celestial bodies in the universe rotate. This is the initial driving force for the rotation and revolution of the Earth.

3.Under the action of gravity, the main material on Earth is constantly concentrated in the center of the Earth. It is estimated that 5 tons of iron per second enter the Earth's core from the Earth's mantle, which will accelerate the Earth's rotation; Volcanic eruptions and magmatic activity cause mantle material to flow to the surface, which of course also leads to changes in rotation speed.

Perhaps this is one of the reasons. However, there is also a phenomenon in the universe that the smaller the mass, the faster the relative speed. This balance can only be maintained by constant movement.

The faster it rotates, the higher its ability to withstand external forces.

4.In fact, due to the influence of gravity, humans do not feel the rotation of the earth. The Earth's gravity firmly binds us so that everything on the Earth's surface can be synchronized with the Earth.

In this way, we are at rest compared to the earth. Of course, we don't feel the Earth spinning at high speed. It wasn't until humans stepped out of the earth with the help of technology that we really saw the high-speed rotation of the earth.

I think that the factors that affect the speed of the earth's rotation may have extraterrestrial factors, factors of the earth itself, and some human activities, such as the impact of asteroids, the impact of the solar wind, the tidal action of the moon on the earth, the damage of human beings to the earth's environment for a long time, global warming, and the melting of glaciers.

The Earth's temperature, the weight of the Earth, the number of people, the mass of the Earth, and the damage to the environment all affect the Earth's rotation speed.

The impact of asteroids, the energy of the sun, and the setting of wind and hydroelectric power on the earth, as well as the influence of other planets in the universe, will affect the rotation speed of the earth, and this is a very bad trend.

Currently, the Earth's rotation period is 23 hours and 56 m minutes and seconds. Scientists found from the information on paleontological fossils that in the Cambrian period, 500 million years ago, the rotation period of the earth was 21 hours; In other words, the day was 3 hours shorter than it is now. Today, scientists have used elaborate instruments to prove that the Earth's autobiographical speed is slowing down, and the current slowdown is two-thousandths of a second after each century.

This is equivalent to a 1-hour slowdown in rotation every 100 million years. As for the reasons for the slowdown of the Earth's rotation, the tidal effect of the Moon on the Earth is the main reason for the slowdown of the Earth's rotation.

The Earth rotates on its axis and revolves around the Sun. In all these natural phenomena, it was, is, and will continue to be! So why is the Earth slower?

What if you had a spinning top in your hand and let it spin in a completely frictionless environment? According to Newton's theorem, inertia causes the gyroscope to spin constantly! Or the conservation of angular momentum, will insist on the infinite rotation of the top!

This is also why the celestial bodies and galaxies in the universe are constantly in a state of rotation, and some companions will ask? So where does the power of the initial rotation of the galaxy come from? It is gravity that gives the nebula and all celestial bodies the initial rotational momentum.

The day consists of 24 hours, 24 hours and 60 minutes, and 60 minutes and 60 seconds, for a total of 86,400 seconds in a day. However, if the Earth's rotation is slowing down, this means that in the future, we will need more time to calculate the time of the day, whereas in the past, we would need less time. Every century a day becomes milliseconds, which illustrates that the Earth was less than 22 hours a day 100 million years ago!

While this may not seem like a big deal, these changes add up over billions of years.

If you go back in time to when the Earth was originally formed, you will find that a day is only 23,000 seconds, or six and a half hours! In another 4 million years or so, we will have no need for leap years at all! Thus, while the laws of physics are solid, the interaction between the Earth and the Moon is enough to change the tides, days, and even years over time.

It is precisely because of the gravitational pull of the sun and the moon that the earth gradually slows down its rotation over a long period of time. In the early days of the Earth's existence, its rotation speed may be only a few hours, but in hundreds of millions of years, the Earth's day may be more than 30 hours, and there will be only more than 200 days left in the year. Not only that, but after a long enough span of time, there is a good chance that the Earth will be tidally locked like the Moon.

At that time, the earth will completely stop rotating, and people in the sunshine and dark night areas will no longer observe the sunrise and sunset, but will only feel two completely different states: extreme cold and extreme heat.

This means that if the earth is scarred and overwhelmed, and one day it will stop turning, then humanity will perish and people will have to take more care of the environment.

This means that many, many years from now humans may not be able to survive on Earth because the temperature on the Earth's surface will change.

The rotation of the Earth. 4.6 billion years ago, the other planets in the solar system were formed by a rotating cloud of gas and dust, and the matter and particles in these rotating clouds also rotated and collided with each other to form larger rotating bodies.

Rotation of space objects.

Today, planets revolve around the Sun in the same direction as the swirling clouds they produce. Planets in space made up of "remnant" matter, which we call asteroids, also rotate around their own axis and move in space, with asteroids having a rotation period of 5-18 hours. More than 4 billion years ago, Earth days lasted about 6 hours; In millions of years, it could be 1,128 hours (hard to say).

Now, we know that the Earth's cycle is about 24 hours, and the circumference of the Earth is about 40,000 kilometers. Thus, the linear velocity of the Earth at the equator is about 1600 km/h. This was proposed by an astronomer from the Institute for Planetary Science in Tucson, Arizona, named William Hartman.

The earth rotates from west to east. The launch site for launching artificial satellites should be built as close to the equator as possible to launch satellites in an easterly direction, which increases the initial velocity of the satellites to 1,600 kilometers.

Why doesn't the Earth's rotation slow down?

In fact, the Earth's rotation is still slowing down. When the Earth was first formed, it rotated very fast, at a linear speed of about 6,400 kilometers at the equator, which means that it only lasts about 6 hours in a day. Imagine that on Earth, people live a life where they work 3 hours during the day and soon reach the evening, and they only have 3 hours of sleep at night (emphasis on sleeping at night).

The speed of rotation of other planets: the duration of a day on Mercury is about two Earth days; Jupiter, on the other hand, rotates much faster, lasting less than 10 hours a day; Mars rotates at a speed of about 24 hours and 37 minutes. In the past, the Moon was relatively close to the Earth.

After that, it gradually and steadily left the earth. Due to the gravitational pull of the Moon, which causes the Earth's ocean waters to rise and fall, these ocean tides inhibit the Earth's rotation (affected) year after year. Every 100 years, the rotation is extended by half a minute.

Due to gravity and tides, the Moon will begin to approach the Earth, and the Earth's rotation speed will increase again. It's a principle or a speculation.

Epilogue. This conclusion is a theoretical question, but it is difficult to say whether this is the case or not, but it is possible. Wait for time to test!

We've all played with spinning tops, and if you start to spin in a straight direction, you can whip it with a rope and it will spin faster. If you smoke it in reverse, it will spin slowly. The same is true of the earth, which rotates from west to east, and when a force pushes it from west to east, it turns even faster. When there is a force pushing it backwards from east to west, it turns slower. So what is the force that is pushing the earth and changing the rotation cycle of the earth?

This force is the gravitational force of the Moon and the Sun on the Earth. Tides are mainly caused by the gravitational pull of the Moon and the Sun on various parts of the Earth. The magnitude of the gravitational force is directly proportional to the mass of the celestial body and inversely proportional to the square of the distance of the celestial body from the Earth.

Because the Moon is much closer to the Earth than the Sun, the gravitational force of the Moon is twice that of the Sun. Under the gravitational pull of the moon and the sun, tides are caused in the ocean, the atmosphere and the solid crust of the earth. As the Earth rotates from west to east, the Moon and the Sun rise and set in the west, the tidal uplift must also move from east to west, which is exactly the opposite direction of the Earth's rotation.

So the sea swept over the shallower seabed in turn; Rock formations can also rub against each other as they rise or sink; The atmosphere will inevitably have friction with the surface, and the continents will gradually drift westward. It is these extremely weak frictional forces that consume the earth's rotational energy and act as a brake on the earth, so that the earth's rotation speed gradually slows down and the rotation period gradually becomes longer.

The Earth's rotation is the force behind the Earth's interior. When the Earth was formed, it rotated because the twin propellers rotated and rotated due to the attraction of cosmic dust to each other, and the speed of the Earth's rotation slowed down because the mass inside the Earth was getting smaller.

1.The acceleration of the earth's rotation speed will make the time of the earth day shorter, but because the speed of revolution does not change, the year is no longer 365 days, it will be greater than this number, how much larger, determined by the speed of the earth's rotation.

2.Conversely, if the Earth's rotation slows down, the Earth Day will be longer, with fewer than 365 Earth days in a year.