Want this question answered?
Because it's in the orbit of Earth. It's in the orbit of Earth because of gravity +++ Confused. A satellite is travelling at high speed (even if in geostationary orbit) so its inertia keeps it "up" by "centrifugal" force. If it slows it will start to return to Earth.
If the speed of a satelite orbiting earth were to decrease, it's orbit would come closer to the earth, and eventually it would fall to the Earth. Space administratioins(like NASA) use calculus and whatever fancy term thay use for their math to try and make it land in a safe place. On the other hand, if it were to increase in speed, it would eventually leave Earth's orbit.
Orbits within the atmosphere are not stable due to atmospheric friction. Friction slows (and heats) the satellite, dropping its orbit still lower (where there's more friction, therefore more slowing and heating). Eventually the satellite burns up. This is essentially what happened to Skylab and more recently to Mir.
It usually slows down
It slows down.
what happens when a moving object speeds up,slows down,or changes direction?
Basically, a moon does not need energy to keep it in orbit.Initially it does need energy to give it some velocity to set up the orbit.A natural satellite is often an object that has been captured from a solar orbit. In that case the kinetic energy is already there in the object's orbit around the Sun. Earth's natural satellite, the Moon, was the result of a collision between Earth and another planet.The initial kinetic energy of the Moon still came out of the movements of the colliding planets.Actually, as a result of tidal forces, some energy isslowly being transferred to the Moon from Earth's rotation. The Moon is slowly drifting into a higher orbit as Earth's rotation slows. This has been going on since the Moon's formation over 4.5 billion years ago.
A satellite in orbit around the Earth does not fall into the Earth because the force of Gravity between the satellite and Earth is exactly balanced by the centripetal reaction force of the satellite constantly changing direction. Think of driving in a car in a straight line. Now, think about turning right. You will be pulled towards the left. Well, actually, you are going in a straight line and the car is moving to the right. That causes you to drift towards the left. You encounter the door, and now you are going to the right as well. The door is pushing on you towards the right, and you are pushing towards the left against the door. The force pushing you towards the right is sort of like Gravity, while the force you are pushing on the door to the left is your centripetal reaction force. Since you are going in a constant speed circle, these two forces are balanced. Its the same type of thing as a satellite.
it slows down
It slows the bodys functions