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Satellites are in constant free-fall. This simply means they are constantly being accelerated by earth's gravity. However, an orbiting satellite's lateral motion is sufficient that the acceleration caused by the earth's gravity causes it to continually circle the earth, instead of crashing to the ground.
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What Keeps a Satellite In Space?
Once a satellite is launched into orbit, the force of gravity tends to pull it toward the Earth. But by moving fast enough, it falls in a curved path and circles the Earth. So orbit is something like a controlled fall. If a satellite does not move fast enough, it will eventually spiral closer to the Earth and burn up in the Earth's atmosphere. The same balance of gravity and speed keeps the moon and the International Space Station in orbit. This answer was found at the site of: http://www.boeing.com/companyoffices/aboutus/wonder_of_flight/iss.html
Why do artificial satellites not fall?
. The speed of the satellite is adjusted so that it falls to earth at the same rate that the curve of the earth falls away from the satellite. The satellite is perpetually falling, but it never hits the ground!
How do satellites move in orbit?
Satellite orbit the Earth at different altitudes. A good overview of Low Earth Orbit, Medium Earth Orbit and Geostationary Orbit can be found here: http://www.idirect.net/Company/Satellite-Basics/How-Satellite-Works.aspx
What if a satellite stops working?
Either Some ones TV stops working or America will Nuke China because they think the shot down their satellite. Whatever happens it will result in the end of the world, one way by radiation, the other by boredom.
How much material by weight falls to earth from space per day on average?
average of 40 tons per day of extraterrestrial material falls to the Earth
What do you call a projectile that continually falls around Earth?
A projectile that continually falls around Earth is called a satellite. These objects are thrown into orbit around the planet and their speed is balanced by the force of gravity, allowing them to constantly fall towards Earth while also moving sideways fast enough to stay in orbit.
Why do the satellites not fall while revolving around the earth?
. The speed of the satellite is adjusted so that it falls to earth at the same rate that the curve of the earth falls away from the satellite. The satellite is perpetually falling, but it never hits the ground!
A projectile that falls around the earth is?
A projectile that falls around the Earth is in orbit. It is continuously falling towards the Earth due to gravity, but its forward velocity allows it to stay in a curved path around the planet without hitting the ground.
What keeps a satelite in its orbit around the earth?
The velocity of the satellite along with the earths gravitational pull work together to keep a satellite from either flying out into space or burning up in the atmosphere. They have to launch a satellite at a precise speed to make sure that the speed at which the satellite falls to earth matches the earth's curvature. The speed is 8000 meters a second.
What will happen when a satellite falls down?
When a satellite falls out of orbit, it will typically re-enter Earth's atmosphere and burn up due to the heat generated by friction with the air. If any parts of the satellite survive re-entry, they will likely land in the ocean or in unpopulated areas.
What is the acceleration on a projectile as it comes down?
The acceleration on a projectile as it comes down is approximately equal to the acceleration due to gravity, which is 9.81 m/s^2 on the surface of Earth. This acceleration acts in the downward direction and causes the projectile to increase in velocity as it falls towards the ground.
Why dont satellites in orbit fall to the ground like a ball in orbit?
They're given enough tangential velocity ('sideways' speed, parallel to the earth's surface) so that the curve of the earth falls away just as fast as the satellite falls.
Why do the satellite not fall while revolving around the earth?
They do fall. But they're traveling fast enough so that the surface of the Earth falls away from them as fast as they are falling. Same thing that keeps the Earth from falling into the sun.
How is acceleration described as the projectile rises and then falls back to the ground?
acceleration remains the same
How can one make a spoon dropped from a satellite revolving around the earth land on earth?
If you have a lot of time, and a huge amount of expendable cash, you can place a reasonably massive satellite in orbit under the spoon. Over time the satellite's gravity will pull the spoon's orbit lower and lower. Eventually the spoon's orbit will decay and it will drop toward earth. Just wait. It will end up on Earth eventually. The satellite is already in orbit and will eventually fall into the atmosphere. Anything that falls off the satellite is going to eventually go 'down' to Earth.
What happens if a satellite slows down so much that it falls out of its orbit?
If a satellite slows down significantly and falls out of its orbit, it will begin to descend toward Earth due to gravity. As it approaches the atmosphere, it will encounter increasing friction, which can cause it to heat up and potentially burn up upon re-entry. If it survives this process, it may crash to the Earth's surface, possibly in an uninhabited area, or create debris if it breaks apart. In either case, the satellite would cease to function and be considered lost.
Why cant a satellite in orbit around earth cant fall into earth because?
because of the gravity in our solar system. The sun keeps us (the earth) in its gravity. And we keep the satellite in our gravity. And it works like stone in thread and if we rotate it then stone will be at the other end of thread and will keep surrounding you.
