All Questions
Tagged with gravity electromagnetism
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Can Electromagnetism affect Gravity? [duplicate]
We know Gravity affects Electromagnetism when we see Black Holes bending the light around them. That makes me wonder if Electromagnetism Can Effect Gravity?
Just like how $E=mc^2$ means energy and ...
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Question on asymptotic flatness
What is the theoretical argument for the asymptotical flatness of the four-potential? Can one assume asymptotical flatness for the scalar dilaton field as well?
anon
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Is gravity of matter similar to temperature?
Apart of general relativity and the quantum theory postulate o gravitons I am looking for an alternative quantum physical interpretation of gravity of matter?
Watching this short video-cut from Dyson'...
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Gravitoelectromagnetism: How far does the analogy go?
In weak gravitaional fields, we can write equations analogous to the Maxwell equations: Gravitoelectromagnetism.
Do the gravitoelectric field and the gravitomagnetic field transform like components ...
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A wind tunnel and 2 strong magnets in the wind tunnel creating a very strong field, how would the wind & magnetic force interact?
Sorry if I get some terminologies wrong I am not a physics major :)
If I had a big wind tunnel on earth blowing wind through a strong magnetic field (so the opposite poles of 2 giant magnets creating ...
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EM field in a strong gravitational field
Imagine simple solenoid 10cm in length with given magnetic field in a gravitational field with a large gradient, for example the clock near one pole of the solenoid is running 1 second faster, meaning ...
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Mutual gravitational acceleration (or deflection) of light beams as a function of the angle between them
Given Einstein's famous equivalence between energy and mass, $E=mc^2$, a light beam with power, $P$, has an energy per unit length of $P/c$ and an equivalent mass per unit length of $P/c^3$. A short ...
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How is the gravitoelectromagnetism approximation of GR valid if it seems to yield unstable solutions?
In the gravitoelectromagnetism approximation of GR, we have equations analogous to Maxwell's equations with some sign changes. As pointed out in another post of mine, this leads to unstable run-away ...
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If contact forces are repulsive then how are we able to pull stuff? [closed]
I searched a lot on internet(especially physics stackexchange) about the nature of contact forces. I came to know through most of them that it is repulsive in nature which surely means that your hand ...
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What is the gravitational pull of a photon? [duplicate]
I know it may seem like a stupid question, but I recently found out that because a photon has energy (obviously) then it must have a gravitational pull. I was wondering exactly what this gravitational ...
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Could gravity around rotating bodies make them pull apart rather than attract? Due to the gravitational field analogous to the magnetic field
In this video:
https://www.youtube.com/watch?v=rKFzV8sVDsA
Eugene explains that moving bodies generate two types of gravitational fields, the common one that attracts other bodies as we usually study ...
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New "gravity force" analogous to magnetic force?
I was watching Eugene Khutoryansky's physics video about Einstein's Gravito-Electromagnetism, Gravity of moving mass in General Relativity
. In that, he discussed why maxwell's electromagnetism laws ...
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The spin of a field
I have searched for an explanation for the math behind the spin of fields, such as the electromagnetic field has a spin of 1 and the gravitational field has a spin of 2.
The internet did not provide a ...
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Is it possible to make a magnetic box that will compensate Earth gravity allowing magnetic objects inside to fly on orbits like in space? [closed]
Is it possible to simulate solar system using magnetic spheres and some kind of box that will compensate the Earth gravity by magnetic force?
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Extent of verification of household-name physical concepts? [closed]
I was listening to some news coverage of the IPCC's newest report, which included a statement that "the evidence that climate change is real is now provided by over 14,000 studies worldwide."...
