Why can a high tide still occur when the Moon is between the Earth and the Sun

The basic principle is Newton's law of universal gravitation: any two objects in nature are attracted to each other, and the magnitude of the gravitational force is directly proportional to the product of the masses of the two objects and inversely proportional to the square of the distance between the two objects.

The formula means: f=g*m1m2 (r*r) (g= can be read as f is equal to the square quotient of g multiplied by m1m2 divided by r.

f: The gravitational force between two objects.

g: gravitational constant.

m1: The mass of object 1.

m2: The mass of object 2.

r: The distance between two objects.

According to the International System of Units, f is measured in newtons (n), m1 and m2 are in kilograms (kg), r is measured in meters (m), and the constant g is approximately equal to 10 -11 n*m 2*kg 2 (newton-meters squared per kilogram squared).

When the Moon is between the Earth and the Sun, the Moon and the Sun attract the Earth at the same time, and the sea water will produce tides due to the attraction, and it should be noted that the gravitational attraction of the Moon is much greater than that of the Sun, because although the mass of the Sun is much greater than that of the Moon, the distance of the Sun is much greater than that of the Earth-Moon, which causes the tides to be more affected by the Moon.

Hope it solves your doubts...

That's because he is closer to the sun, and the sun's gravitational pull increases.

The gravitational pull of the Sun and Moon is in the same direction, the maximum resultant force.

In favor of the third floor. The ones on the first and second floors don't seem to understand anything.

A "solar eclipse" can occur when the Moon moves halfway between the Sun and the Earth.

The moon moves between the sun and the earth, and if the three are exactly in a straight line, the moon will block the sun's light from the earth, and the dark shadow behind the moon will fall on the earth, and a solar eclipse will occur.

However, there is an angle of about 5 degrees between the lunar orbit and the earth's orbit, so not every time the moon moves between the sun and the earth, the moon will block the sun's light from the earth. In most cases, the shadow behind the Moon does not fall on Earth, and a solar eclipse does not occur.

The principle of the occurrence of a solar eclipse.

There is an angle between the orbit of the Moon and the orbit of the Earth.

What could happen when the Moon moves between the Sun and the Earth?

Correct answer: Solar eclipse.

Tides are created by the action of the sun and the moon, the moon has an attraction to water on earth due to gravity, and these attractions cause the ebb tide of water, most of the space in the universe is empty, but there are also those that wander around the spheres of matter, such as planets, moons, and stars. They move through space, changing formations like a group dance. As the space dance progresses, the planets pull against each other, pushing one toward the other's flat uplift.

This pull is gravity.

The sea level rises and falls regularly, which is the phenomenon of tides. The highest point at which a high tide occurs every 13 hours is known as a high tide. When the sea level reaches its lowest point, it is called a low tide.

So the ebb and flow of the tides that you see every day is a local effect of the Earth rotating in the deep night sky. The Sun, Moon, and all the other planets in the Solar System exert a pull on Earth's land and oceans, but only the Sun and Moon are more pronounced. Although the Sun is very close to the Earth (100 million kilometers), it also has a very large mass, so its gravitational pull on the Earth is also relatively large.

Under the action of gravitational force, the moon is attractive to the sea water on the earth, and people call the force that attracts the high tide of the sea water as the tidal force, and the distance from the moon is different from the surface of the earth, not as strong as the moon. The force that causes the tides comes from the Moon, not only because it is closer to the Earth, but also because its gravitational pull on the Earth varies greatly from place to place – depending on how far away it is from the Moon. The area directly facing the Moon is closer to the Moon than other areas of the ocean, so the gravitational pull is stronger.

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Because the moon will have a gravitational influence on the earth, it will be affected by gravity, and if the gravitational force is relatively large, the influence on the earth and the ocean will be relatively large, and then there will be tides, and there will be low tides and high tides.

It is affected by the gravitational pull of the Earth, the Moon, and the Sun. The effect process is that every time the earth completes its rotation, the moon will revolve around the earth, and because of the gravitational pull of the moon, the earth's seawater will be affected.

It is carried out by means of gravity, there is a gravitational force between the earth and the moon, and the tides are controlled by means of gravity.

The tidal action of the Earth on the Moon will cause the sea to rise and fall, which may lead to large floods and floods, which will have a huge impact on human life.

The trajectory of the Moon changes.

The reason for the occurrence of tides is the Earth-Moon attraction.

The moon exerts a gravitational pull on the earth, but it is not enough to attract the earth, and can only cause the ocean and other water bodies to bulge towards it, which is called a tide. The earlier one in the day is called the tide, and the later one is called the tide.

And there is a tidal phenomenon not only in the ocean, but also on land, but the effect is very weak.

The Moon has a certain pattern of pulling on the seawater, with two high tides and two low tides per day. The time of the high and low tides varies from day to day, with the first lunar month as a cycle.

In fact, the Sun also has a tidal force on the Earth, and the range is larger than that of the Moon. But it is not as strong as the Moon, only 40% of the Moon, because the Moon is closer to the Earth than the Sun, even though the mass and absolute gravity are small.

On the first or fifteenth day of the lunar calendar, the tidal action caused by the sun and the moon is superimposed to produce a high tide. On the 8th or 23rd day of the lunar calendar, the tidal action caused by the sun and moon cancels out, resulting in a small tide.

But this tidal action causes the moon to circle away from us and gradually rush towards the sun, and the rotation of the earth slows down.

Yes, in addition to the sea tide, there are also ground tides and air tides.

The elastic-plastic deformation of the solid earth caused by the gravitational force of the sun and the moon is called the solid tide, referred to as the solid tide or ground tide.

The periodic rise, fall, advance and retreat of the sea surface caused by the gravitational force of the sun and the moon are called ocean tides, referred to as ocean tides.

The periodic changes (such as hours) caused by the gravitational force of various elements of the atmosphere (such as the pressure field, the atmospheric wind field, the earth's magnetic field, etc.) are called atmospheric tides, referred to as air tides. Among them, atmospheric tides caused by the sun are called solar tides, and those caused by the moon are called lunar tides.

Yes. It's all about them.

Actually, it's like this. Tidal forces are generated by uneven forces. Therefore, there must be a reference point, taking the gravitational force of the moon at the center of the earth as the reference point, and the direction towards the moon is positive, then the tidal force near the moon is positive, the tidal force in the direction away from the moon is negative, and the direction of the tidal force in the vertical direction is not in a straight line of the earth and the moon but towards the center of the earth.

The negative downward force away from the Moon is also the positive upward force (up and down from the place away from the Moon).

In a non-inertial frame where seawater translates around the Earth's center of mass, the inertial force and the gravitational force of the Earth around the Moon are the first. The part where the gravitational force of the moon is unbalanced with the force of inertia is the tidal force. But tidal forces do not equate to high water levels.

For example, if there is no water, the water level will not be high, but the tidal force exists. Water, on the other hand, is fluid, and since it is subjected to tidal forces, it has to flow to the place where the force is directed. In fact, the result of the flow is an increase in other forces to balance the tidal force.

When the water level is high, the gravitational pull of the earth is greater, which just cancels out the tidal force. This force that counteracts the tidal force can be said to be the reaction of the earth and water.

a.The speed of the Moon's rotation is greater than the speed of its revolution around the Earth.

b.The speed of the Moon's rotation is less than the speed of its revolution around the Earth.

c.The speed of rotation of the Moon is equal to the speed of its revolution around the Earth.

d.None of the above.

Correct answer: c