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Explain how earths gravity affects objects that are on or near earth?
All mass attracts all other mass, thats a fact. The force due to gravity between the earth and another object, is dependent on their combined mass (earth and object), and the square of the distance between the centres of gravity.
How much gravitational force does the earth have?
On or near Earth's surface, the force of gravity on any mass is 9.8 newtons per kilogram. The force of gravity that any mass on or near the surface exerts on the Earth is also 9.8 newtons per kilogram.
What is the earths gravitational field?
All objects within the universe attract all other objects through gravity. as distance increases this attraction lessens to an insignificant amount, however the force is still there. therefore the Earth's gravitational field's range is limitless.
What is the name of the force that pulls objects toward Earth?
Gravity! Also noted as 'g' in physics.
Why of the following includes all of the water on or near earth surface?
The hydrosphere includes all of the water on or near Earth's surface, including oceans, lakes, rivers, groundwater, and also water in the atmosphere and glaciers.
Is gravity the force of the earth on objects near it?
Gravity is not unique to the Earth. All matter has gravity and all matter attracts all other matter. Since the Earth has mass it also has a gracvitational field associated with it.
Do all objects fall towards the center of the earth?
Yes, all objects on or near Earth's surface fall towards the center of the Earth due to the force of gravity acting upon them. This is why objects dropped from a height fall downwards.
Do all objects fall toward the center of the earth?
All objects on earth are pulled towards the center of the earth by gravity. The objects are pulled to the core(center of earth), but are not pulled through because of the normal force.
What 2 objects does gravity act on?
Gravity acts on all objects with mass. In the context of the Earth, gravity mostly acts on the Earth itself and objects on or near its surface.
In freefall do all objects near Earth's surface have the same acceleration?
Without atmospheric drag, all free falling objects near earth's surface will have the same acceleration. But because of friction with the air (air resistance), the velocity of objects due to that acceleration is limited. The actual velocity is dependent on the surface area of the object relative to its mass. The principle of the parachute is to increase the surface area of a falling object with respect to its mass.
Is it possible to use magnetic fields to prevent earth impacts by near earth objects?
This would not be a good way to go about it. Not all near Earth objects are metallic, they can be rocky or even contain volatile substances if they are cometary in origin. Even if they are made of nickel and iron, and are ferromagnetic, all a magnetic field can do is attract them, it cannot repel them. So, if you established your magnetic planetary protection device on the moon, and you had enough power to generate a sufficiently strong magnetic field, you could then attract near Earth objects to the moon rather than to the Earth. But there are simpler ways to deal with such objects.
Explain how earths gravity affects objects that are on or near earth?
All mass attracts all other mass, thats a fact. The force due to gravity between the earth and another object, is dependent on their combined mass (earth and object), and the square of the distance between the centres of gravity.
What pulls everything to the center of the earth?
Gravity is the force that pulls everything towards the center of the Earth. This force is created by the mass of the Earth and all objects on or near its surface.
Is there gravity anywhere other than earth?
Yes. All objects have some degree of gravity. So gravity exists everywhere in space.
Did sputnik crash into the moon?
No. All the sputniks were in fairly low-Earth orbits, and wouldn't have been able to get anywhere near the Moon.
Why do all meteors do not strike the earth?
They will usually have an orbit that doesn't take them anywhere near Earth and some burn up completely in the atmosphere and so they do not reach the ground.
Why does earth not have zero gravity?
Because it has great mass, subatomic particles, called gravitons, cause it to attract all objects near it
