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Results tagged with orbital-motion
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user 30181
The path a body takes while moving through space under the influence of the gravitational forces of other bodies
1
vote
Why heavier bodies produce greater gravitational pull than the lighter bodies?
Because gravitationnal forces always add up (unlike electrical force from positive and negative charges, for example), so as you add mass you always increase force.
- 1,617
5
votes
Intuitive explanation of why orbits are closed?
That is because the gravitation force is proportionnal to $1/r^2$.
As a counter-example : if you look carefully at the orbit of mercury, it actually doesn't exactly come back to the same point with …
- 1,617