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Summary
An illustration of Newton's cannon, which describes how gravity connects motion of everyday objects on Earth to motion of celestial objects such as the Moon.
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I, the author of this work, hereby publish it under the following licenses:
m. ... Space Shuttle Atlantis launches on mission STS-71 In physics, for a given gravitational field and a given position, the escape velocity is the minimum speed an object without propulsion, at that position, needs to have to move away indefinitely from the source of the field, as opposed to falling... Illustration of Orbits using Cannonballs I created this drawing myself - FrankH 06:31, 12 Jan 2005 (UTC) This image has been released into the public domain by the copyright holder, its copyright has expired, or it is ineligible for copyright. ... Newtons cannonball was a thought experiment Isaac Newton used to hypothesize that the force of gravity was universal, and it was the key force for planetary motion. ...
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