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What evidence is there that this gravity also pulls on objects closer to the surface of earth?
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How is the distance between the centers of two objects related to the size of the pull of gravity between them?
The closer the distance, the greater the pull of gravity between them.
How is gravitational force related to the mass of two objects interacting and the distance between theme?
the larger the objects the more gravity it can potentially have, the closer objects are the more the attraction they have between them.
Why does the Moon generate larger tidal forces than the Sun?
Even though the Sun is much more massive than the Moon, the Moon is much closer. The force of gravity between two objects is not only determined by the masses of those objects but the distance between them. Because the Moon is so much closer, the effects of its gravity on tidal forces is greater.
What happens to the force of gravity on a satellite as it gets closer to the sun?
The forces of gravity between any two objects depend on the mass of theobjects ... stronger for greater mass ... and on the distance between them ...stronger for smaller distance.
How is gravity about the same on Mars and Mercury?
This does seem odd. Mars, with a mass that is about twice the mass of Mercury, has about the same surface gravity. Mars' mass is about .107 the mass of earth, and the mass of Mercury is about .055 the mass of earth. The surface gravity on Mars is about .38 times the surface gravity of earth, and the surface gravity of Mercury is about .38 times the surface gravity of earth as well. The difference is that the mean density of Mercury is about 5.43 grams per cubic centimeter, and the mean density of Mars is about 3.93 grams per cubic centimeter. Mercury is quite a bit more dense, so if you stand on Mercury you are much closer to the center of gravity of the planet. Mercury has a tiny slightly bit more gravity than mercury though.
What evidence is there that the gravitational pull also pulls on objects closer to the surface of earth?
the objects fall to the ground
What happens to force of gravity when the distance between two objects decreases?
As the distance between two objects decreases (i.e. they get closer together), the force of gravity increases.
What describes Earth's gravity?
Weight describes earth's gravity.As objects get closer to Earth, the pull of Earth's gravity increase
What two things control the force of gravity between two objects?
The masses of the objects and the distance between them determines the force of gravity between them. The more massive and closer together they are, the greater the force of gravity.
Why is there most air closer to the surface?
because warm air move upwards and cool air due to gravity move closer to the earth surface
When is the force exerted by gravity stronger?
It's stronger between objects with more mass, and between objects that are closer together.
Is it true that the force exerted by gravity is stronger if two objects are closer?
Yes it is because because hte closer they are the greater the force.
Force of gravity between two objects if the distance between them increase?
Gravity weakens as the two objects recede from one another. It is when they get closer that gravity starts to act up. Gravity attracts the objects with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
When is the gravity between two objects greater?
When their masses are greater, and when their centers of mass are closer together.
How is the distance between the centers of two objects related to the size of the pull of gravity between them?
The closer the distance, the greater the pull of gravity between them.
What is a negative response to gravity?
The normal reaction to gravity is attraction. Gravity tries to pull the two objects closer together. A negative reaction would be that the two objects try to push apart. Sounds like science fiction.
Is the gravity on the moon as strong as gravity on earth?
That depends on exactly what you mean. The Law of Universal Gravitation has "universal" in the name for a reason. It's the same on the Moon as it is on Earth, and the gravitational constant is identical there. However, the mass of the Moon is quite a bit less than the mass of the Earth. Countering that slightly, the Moon is also smaller than the Earth, meaning objects on its surface are closer to its center than objects on the Earth's surface are to the Earth's center. The net result is that the Moon's surface gravity is about one sixth that of the Earth.
