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Results tagged with newtonian-mechanics
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user 26437
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].
5
votes
Accepted
Does gravity slow down a horizontally thrown baseball?
(I can't quite comment on the previous post, so I'll have to write a new answer).
If we set the curvature of the Earth to be non-negligible in our problem, yes, gravity would slow the baseball down b …
7
votes
Are elliptical orbits really elliptical?
"The resulting orbit resembled the Treyarch logo, which I now suspect was inspired by physics demos in the company's early history."
Yes, indeed they are elliptical, but there are also extremely tiny …
4
votes
On a scale, why does the heavier object go down?
I'm assuming you haven't taken any physics courses, so let's start by explaining the concept of a force. Forces are the central focus of classical mechanics. Basically, a force is a push or pull on an …
10
votes
Advantages of Lagrangian Mechanics over Newtonian Mechanics
No, I would highly recommend studying Newtonian mechanics before Lagrangian mechanics. While, yes it is 'possible' to learn about Lagrangian mechanics before Newtonian, a lot of intuition would be los …
1
vote
Accepted
Simple question about inclined planes
For completeness, I write a short solution:
Note that we have no forces acting on the entire system along the $x$ (horizontal) direction, thus, if we consider the center of mass of the entire system, …
7
votes
3
answers
2k
views
Does unitarity imply conservation of energy?
Not too long ago, someone began to discuss the thinking and motivation behind the Lagrangian and its formalism for the Newtonian framework and an intuitive understanding of such formalism. Somehow, it …