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Usually the "pull" is given at the surface of the planet. The force reduces with distance.
The units are Newtons (unit of force) per kilogram (of the object being pulled)
The gravitational force is :
(6.67x10-11)x(mass of the planet)x(mass of the object)/(distance between the planet and the object squared)
(6.67x10-11 Newton's universal gravitational constant). Masses are measured in kilograms, and distance is measured in metres.
Finally here's the answer, in Newtons per kilogram (rounded to the nearest
whole number for the giant planets). Different sources may give slightly different numbers :
Earth 9.81
Mercury 3.71
Venus 8.90
Mars 3.70
Jupiter 26
Saturn 11
Uranus 9
Neptune 12
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What are forces that keep the moon in orbit around the earth?
Gravity keeps planets in orbit as it spins it creates gravity and gravitational pull keeps the a lined
Explain the relationship between force mass and acceleration?
The gravitational force (F) between two masses (m1 and m2) is given by: F = (G * m1 * m2) /r^2. Where r is the distance between the masses, and G is the gravitational constant, 6.67300 * 10^-11. This means the larger the masses are, the more they pull toward each other. It also means that the closer they get, the stronger they pull.
Would have the greatest force of gravitational attraction?
Actually, the gravitational pull is 9.8m/s(2), therefore they all have the same grvitational pull. An object that is dropped from the same distance will land at the same time unless acted upon by and equal or greater force. As in the case on Sir Isaac Newton and the apple falling from the tree. It's the bowling ball
Which planet has the weakest gravitational pull?
There are 3 possible answers to this question: Mercury, Mars, or Pluto. The simple definition of gravity is the force of attraction between two objects. Two factors determine gravitational pull: 1) the mass of the two objects and, 2) the distance between the two objects. Gravitational pull is proportional to the product of the masses of the two objects. For example, gravitational pull doubles if either of the two masses is doubled. On the other hand, gravity grows weaker if the two objects are moved farther apart. It is inversely proportional to the square of the distance between them, or if the distance is doubled between the two objects, gravity is only 1/4th as strong. So both mass and distance matter when determining gravitational pull. The big variable that the question doesn't address is how far away are you from the planet when you want to know it's "gravitational pull". Do you want to know the gravitational pull at some constant distance in space from each planet's center, or do you want to know the gravitational pull at each planet's surface. Because each planet has a different diameter, the distance from the planet's center varies from planet to planet. Since both mass and distance matter, here are the qualified answers: Pluto has, by far, the least mass of all the planets, but Pluto is now considered to be a "dwarf planet" and is no longer to be considered as a regular planet. If it were to be considered, it would have the least gravitational pull of all the planets at both it's surface and at some fixed distance in space from it's center. Mars has slightly more mass than than Mercury but also has a larger diameter. The math works out that Mars has the least gravity at it's surface. Even less than the surface gravity of Mercury because of Mars' larger diameter. Mercury has slightly less mass than Mars and a much smaller diameter. The math works out that at some constant distance in space, Mercury has the less gravitational pull than Mars because Mercury simply has less mass. Because Mercury's diameter is smaller, which puts you closer to its center, that makes its surface gravity slightly more than Mars'.
What two factores combiend to keep earth in oribit around the sun and the moon in orbit around the earth?
Only one force is required: gravity ... the gravitational attraction between the center of the earth and the center of the sun. If gravity were not at work, then the Earth would take off in a straight line, into deep space. And if another force were required, we'd be out of luck, since the gravitational attraction is the only force that exists.
What did newton call the force that pulls all the planets towards the sun?
Gravitational Pull?
What is the source of gravitational pull on the planets?
The gravitational pull on all the planets are artificial satellites because the satellites orbit all the planets!
What the gravitational pull of the sun?
That explanation is logical however the sun DOES have a gravitational force because all the planets orbit around the sun.
Why gravitational force of son didn't pull earth towards it?
Because Earth and all the other planets and moons have a gravitational pull. This pull is distributed so that everthing stays in orbit.
Why do all the planets orbit?
Planets orbit around the Sun because of the Sun's gravitational force, it makes the planets move by its gravitational force.
A specific answer on why planets and moons of planets stay in their orbits?
Planets and moons remain in their orbits because of the gravitational pull other bigger planets or stars have on them, for example the Earth stays in its orbit because of the gravitational force it is subjects to created by the Sun, and the moon stays in its orbit because of the gravitational force it is subject to created by the Earth. It's all about gravity and force.
How does the sun hold the planets in orbit?
The Sun's gravity is trying to pull the planets towards it. But the planets have their own velocities and all the Sun's gravitational attraction is needed to stop the planets moving away from the Sun. The result is that the planets orbit the Sun.
Why do all the planets revolve around the sun?
All planets revolve around the sun because it has a strong gravitational pull.
Why are the planets considered satellites to the sun?
Because of gravity and all the pull (gravitational pull).
How do planets revolves around the sun?
There is a force called inertia. This means that all matter will keep moving forward until acted upon by an opposing force. Along with the gravity of the sun this keeps the planets in their circular revolution. Im only 14. (:
How did all the planets be where they are?
Three of them were grabbed by the gravitational pull of the local star. There are planets that are not in our solar system.
How does all the planets orbit around one another?
gravitational pull
