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Results tagged with newtonian-mechanics
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user 179236
Newtonian mechanics discusses the movement of classical bodies under the influence of forces by applying Newton’s three laws. For more general concepts, use [classical-mechanics]. For Newton’s description of gravity, use [newtonian-gravity].
4
votes
If Newton's third law is true, why do things compress?
It might be more informative to go through an entire process, rather than just skipping to the end. (For the sake of making the numbers easier to understand, I'm going to round Earth's gravitational a …
- 765
13
votes
Accepted
A thought experiment regarding elliptical orbits
Your instinct that the four quarters of the orbit would be symmetrical isn't correct, because the spacecraft doesn't start each quarter the same way.
Here's the start of the scenario (The spacecraft i …
- 765
6
votes
Accepted
Can a balloon start from Earth and fly to the Moon, using Helium for lift to the top of the ...
After reaching this height, can the helium balloon be used as a propellant, the same way if you release a balloon, it will fly through the room?
Sure. There's pressure built up in the balloon envelo …
- 765