Gravity is one of the things we take most for granted. And about gravity, we take two things for granted: that it has always been there and that it never changes. If Earth's gravity actually changes significantly, then almost everything around us will be greatly affected, because the existence of many things depends on the current state of gravity.
If the Earth lost gravity, it would no longer be easy to eat candy.
Before we look at the effects of gravity changes, we first need to understand what gravity is. Gravity is actually the force of attraction between two atoms. Take the example of two golf balls on a table! There is an incredibly slight gravitational pull between the atoms of these two golf balls. If you use two massive sets of lead fragments and many extremely sophisticated tools, you can measure the small gravitational force.and between the two. In fact, only when a large number of atoms are brought together, like our Earth, can significant gravitational effects occur.
The reason Earth's gravity is constant is because Earth's mass almost never changes. The only way to cause a sudden change in Earth's gravity is to change the Earth's mass. It is never easy for a change in Earth's mass to be enough to cause a change in gravity.
Can we survive without gravity
Let's temporarily abandon physical reality and use your imagination. One day, Earth's gravity disappeared and suddenly there was no gravity on Earth. So, today must be an extremely bad day! We rely on gravity to hold many things stable: cars, people, furniture, the pencil and paper on your desk, etc.
If there ishad no gravity, the water in seas, rivers and lakes would disappear and there would no longer be any water supply on earth.
Objects that weren't attached to a certain location suddenly had no reason to stay in place and were floating in the air. But it's not just furniture and the like that will float in the air. Due to Earth's gravity, two extremely important elements for humans remain close to the ground: the atmosphere and the water in oceans, lakes and rivers. If Earth's gravity disappears, the air in the atmosphere will no longer be able to adhere to the ground and will immediately escape into space. This is actually a problem with the Moon: the Moon is unable to generate enough gravity to maintain an atmosphere, so the air there is close to a vacuum. Without an atmosphere, all living things would quickly die and all liquids would evaporate into space.
In a word, if the gravity of the Earthe disappears, then each of us will not live long.
If gravity suddenly doubled, the results would probably be just as bad, since everything would be twice as heavy as before. This will also pose a big problem for the building structure. Houses, bridges, skyscrapers, table legs, and support columns are only designed to support standard gravity. If the weight were doubled, most buildings would quickly collapse. There will also be problems with trees and plants, as well as electricity. Lines will also be in question. Atmospheric pressure will double, which will have an immeasurable impact on the weather.
All of this proves how important gravity is to our world. Without gravity, we would have difficulty surviving and would be even less able to adapt to the effects of changes in gravity. Gravity is indeed a real idiotstay in our lives!