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Gravity
Beginning of essay
is really an unknown force. We can define it as a field of influence, and that it effects the entire existence of the universe. Some people think that consists of particles called gravitons, which travel at the speed of light. The only thing we do know is how operates in different parts of our u ....
Middle of essay
....the apple must exert a force on the earth according to Newton’s law of action/reaction forces.
Newton applied this theory unto the planets, which orbit the sun. He found by studying astronomical data, that the force that held the earth in orbit around the sun was the same force that drew the apple toward the earth. This was the
force of gravity that is given by this scary formula:
F = Gm1*Gm2
gravity _______
r^2
F equals the force in Newtons, G equals the gravitational co.... |
| Number of words: 1275 |
Approximate pages: 5 |
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