3.20 Uniform Circular Motion Project
By faethzutell, Updated
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Once upon a time, there was a lady who contepmplated about launching a satellite all the way up into Earth's orbit.
She devoted most of her time reading books and learning about all of the different forces that affected objects in outer space.
I wonder what must I have to accomplish to keep my satellite in a uniform circular motion, the motion of an object in a circle at a constant speed, around earth?
She found out that the forces ruling the Earth, the moon and all the other planets, which are all natural satellites would also apply to her satellite!
In order for her satellite to properly orbit around the Earth, it would need to be travelling a horizontal distance of 8000 meters before falling a vertical distance of 5 meters. Because of the earth's curve, the satellite would remain the same distance above the earth.
The net force that keeps the satellite orbiting earth is caused by gravity, creating an inward or centripetal force. The orbit makes the satellite have a tangential velocity, meaning that the direction of the velocity vector at any instant is in the direction of a tangent line drawn to the circle (orbit) at the object's location.
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