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Results tagged with newtonian-gravity
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user 180904
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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Gravitational Acceleration $g$ [duplicate]
How to determine sign of $g$? It is said that we take it negative if any body is in upward motion. So why we don't take it positive when we observe downward motion.It is very confusing.
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