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Gravity

One of the four fundamental interactions, gravity is responsible for the fact that any objects with mass attract one another. According to general relativity, it is a space time curvature, but according to quantum mechanics it is the result of exchanges of virtual gravitons.

4,784 Questions

When is gravity strongest?

Gravity is strongest near very massive objects, such as planets and stars. The strength of gravity also depends on the distance between two objects; the closer they are, the stronger the gravitational force.

Where in the universe is gravity the highest?

Gravity is strongest in regions of space with higher mass concentrations, such as near black holes or neutron stars. Black holes have the most intense gravitational pull, creating a powerful force that can even bend light.

How is gravity and mass related?

Mass is a property almost all matter has. It does not change from place to place, it is always constant. It is measured in Kg.

Gravity is the effect mass has on other mass. It is the effect 2 (or more) bodies of mass drawn to each other. Gravity is measured in m/(s^2), this is a unit of acceleration.

Are the upthrust and gravity forces balanced on Earth?

no, gravity itself is not a balanced force. it is a natural cosmic force that pull down free falling objects with a force of 9.8N/m (newtons per meter). it can however cause balanced and unbalanced forces in the fact that if you, for example, hold a pencil by its middle, gravity is acting on both sides equally based on the surface area on both sides and is therefore balancing it in air. gravity can only cause an object to fall if the object is not already attached to a resisting force or object, such as an apple on a tree, or if it is not balanced equally, as in the pencil example

What is the gravity on the moon compared to earth's gravity?

An object on the moon's surface weighs 0.165 as much as it does on the Earth's surface.

What does gravity smell of?

Gravity is a force of attraction between objects with mass, and it does not have a distinct smell. It is a fundamental force of nature that influences the motion of objects in the universe, but it cannot be perceived through the sense of smell.

True or false the more mass a planet has the more its gravitational pull to another planet?

True. The gravitational force between two planets is directly proportional to the product of their masses. So, the greater the mass of a planet, the stronger its gravitational pull towards another planet.

Where is gravity found?

Gravity is a natural force that exists everywhere in the universe. It is what keeps planets in orbit around the sun and objects on Earth from floating into space. Gravity is always present, whether you are on the Earth, in space, or on another celestial body.

Mercury does not have enough gravity to hold this?

ya it has a little bit less gravity than the moon. its........floaty..........

What are the gravity levels on Mercury?

The gravity on Mercury is about 38% of Earth's gravity, which means that objects weigh less on Mercury compared to Earth. This is due to Mercury's smaller size and mass compared to Earth.

Which planet was discovered because of its gravitational pull on other planets?

Neptune was discovered because of anomalies in the orbit of Uranus, indicating that another planet's gravitational pull was affecting Uranus's orbit. This led to the prediction and eventual discovery of Neptune in 1846 by Urbain Le Verrier and John Couch Adams.

What is the Effect of zero gravity on water?

In zero gravity, water forms into free-floating spheres due to surface tension. Without the downward force of gravity, water does not flatten out and instead takes on a spherical shape. This phenomenon is commonly observed in space experiments and can provide insights into fluid dynamics and surface tension behaviors.

What is the gravity of deimos?

The Wikipedia lists a gravitational acceleration of 0.003 9 m/s2. I am quite sure this is an estimate or calculation, and has never actually been measured. For comparison, Earth's gravitational acceleration is 9.8 m/s2.

It has no atmosphere due to weak gravity?

A weak gravity would not be able to hold onto an atmosphere because the gas molecules would escape into space. Without an atmosphere, there would be no protection from cosmic radiation or meteoroids, making it inhospitable for life as we know it.

Which planets have gravity that is similar to Earth's?

Really none, there is no actual planet that has the exact same gravity, some can be close, like saying it Gforce was 2000, and another was 2000, but actually its like 2000.01010203053232 and 2000.21020103020310.

Mars and Venus are roughly the same size as earth (and thus have about the same gravity), but I don't think any planet in our solar system is exactly the same as earth. Gravity is determined by mass; the planet in our solar system with a mass closest to earth is Venus.

Venus' gravity is 8.87 ms-2 whereas the Earth's gravity is 9.86 ms-2. Mars's gravity is 3.71 ms-2.

What is an object orbiting a planet held by the planet's gravitational pull?

Of the eight planets that orbit the Sun, Jupiter has the strongest gravitational pull because it has more mass than any of the other planets. In fact, it has more mass than ALL the other planets combined!

The regular rising and falling of ocean water due to the gravitational pull of the Sun and Moon is called?

That is called "tides".

__________________________

Sort of. The Moon doesn't really orbit the Earth. Rather, the Earth and the Moon BOTH orbit the "common center of mass" of the Earth/Moon system. That common center of mass is inside the Earth, but not AT the center of the Earth. (If the common center of mass or 'center of gravity' were outside the Earth and somewhere in between the Earth and the Moon, then technically the Moon wouldn't be a "moon"; it would be a co-planet with Earth.)

Tides are actually caused by the fact that the water on the far side of the Earth and the water on the near side of the Earth (with respect to the Moon) are technically in the "wrong" orbits around the Moon. Remember, gravity goes both ways! The water on the far side of the Earth is orbiting too fast and should move into a higher orbit; the water on the near side is orbiting too slowly and should fall into a lower orbit, from the perspective of the Moon. Because the Earth's gravity is much stronger than the Moon's gravity, the effects are actually quite small.

What is the gravity on callisto?

The gravity on Callisto, one of Jupiter's moons, is about 0.126 times that of Earth's gravity, or approximately 1.24 m/s^2. This low gravity is due to Callisto's relatively small size and mass compared to Earth.

Does gravity work in water?

YES for example if you stand on water you fall so it does and if your still saying does it work in the water well if i put your feet 5 centimeters in water you would still fall down.

How is gravity created on space shuttle?

There is no gravity in a space shuttle, unless its on the ground.

The technology of "Gravity Coils" which generate artificial gravity has not been developed. Inducing a feeling of gravity like the old scifi movies "big wheel" space stations only works for very large structures

Why can you withstand high speeds in orbit than on earth?

Speed has no effect on you, and you can't even feel it. What you feel is changes in

either the speed or the direction of your motion. (Those changes are called "acceleration".)

Even on Earth, or at least near it, you can move at 500 mles per hour in an airliner, and it's

so smooth that you can read a book or doze off.

What is the gravity level on earth?

== Answer 1 == Put simply, it keeps everything in place. Without gravity,water, people, animals, and everything not attracted towards Earth & would drift off into space. '''Answer 2''' 9.9 m/s2 at sea level

Does venus have stronger or weaker gravity than earth?

Venus has weaker gravity than Earth. The surface gravity on Venus is about 91% of Earth's gravity.

What is the speed of gravity on earth?

The speed of gravity can not be measured because it does not move instead it is a field denting space and time

Gravity does not have a speed but at the Earth's surface it produces an acceleration of 9.08 metres per second per second on a falling object. In other words an object that is dropped will after one second be travelling at 9.08 m/s

What is charon's surface gravity?

The surface gravity of Pluto's moon Charon is around 0.278m/sec2. Compared with Earth gravity of 9.81 m/sec2, it is around 0.028g or 2.8% of earths gravity.