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Results tagged with newtonian-mechanics
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user 206319
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].
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What is a force? (form Newton law and law of universal Gravitation)
I was thinking of some very basics concept when a doubt came to my mind, therefore I will briefly explain the argument that led me to the doubt so that the question will be clear.
Newton law states: …
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Charged particle following magnetic field lines
For a charged particle in a magnetic field the equation of motion is
$$\frac {d \vec v}{dt}=\frac q m \left[\frac {\vec v} c \times \vec B(\vec x)\right]$$
Then, if $\vec B$ is a slowly changing field …
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What's the position vector for an ant on a sphere?
Imagine an ant on a sphere that perceives only two dimensions. Is there a coordinate system that allows the ant to describe the position with the position vector?
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Rotation as an example of symmetry in classical mechanics
I modified the question because it was confused.
On my book there is this mathematical definition of symmetry transformation:
"The equations of motion have a symmetry, if the solutions of the equ …
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What's the physical meaning of the standard base vectors?
I can find 3 displacement $\vec d_1 ,\vec d_2, \vec d_3$ and use them as basis so that a displacement is $\vec d=a\vec d_1 +b\vec d_2+c \vec d_3$.
I can find 3 forces $\vec F_1 ,\vec F_2, \vec F_3$ an …
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Understanding the definition of tangent basis
This question could sound silly but I though a lot about it and I'm not new to physics.
Let's say I have a plane on which I use polar coordinates, it means a point $P$ can be indicated by its coordin …
- 1,978
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Active and passive transformation
Some active transformations on the system can be seen also as passive transformations, for example the rotation of the system can be seen as the rotation of the observer in the opposite direction. Any …
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