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Results tagged with newtonian-gravity
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user 177050
This tag is for questions regarding the Newtonian model of gravity in which the force between two objects is given by $~GMm/r^2~.$ It is a natural phenomenon by which all things with mass or energy – including planets, stars, galaxies, and even light – attract one another. On Earth, gravity gives weight to physical objects, and the Moon's gravity causes the ocean tides.
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Bizarre gravitational energy equation
In "Electricity and magnetism" by Benjamin Crowell page 39 there is this:
Recall that the gravitational energy of two gravitationally
interacting spheres is given by $PE = -Gm_1m_2/r$ where $r$ …
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