Gravity and Gravitation
Gravity is the force of attraction between any two objects in the universe. That force depends on two factors: the mass of each object and the distance between them.
Historical background
The story behind English physicist Isaac Newton's (1642–1727) discovery of the gravitational force is one of the most fascinating in all of science. It begins in ancient Greece in the period from the sixth to the third century B.C. During that time, a number of Greek philosophers attempted to explain common observations from the natural world—such as the fact that most objects fall to the ground if they are not held up in some way.
Aristotle. Among the explanations developed for this tendency was one...
[The entire page is 1683 words long]
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