All Questions
5
questions
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votes
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Why is electromagnetism considered a non-contact force?
The four fundamental forces (gravity, the strong force, the weak force, and electromagnetism) are all supposed to be non-contact forces. Yet, electromagnetism governs all contact forces between ...
- 13
1
vote
4
answers
568
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Why isn't the magnetic field defined by the magnetic force on a particle moving through it?
A magnetic field describes the influence a charge (in motion) experiences. In other words, it is essentially a vector field that describes the force that a particle will feel at a given location. ...
0
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3
answers
141
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Different definitions of the EMF of a device - None of them applies to devices in a circuit
Wikipedia gives two formal definitions of the electromotive force:
One in case of a closed loop, in which case the the EMF is supposed to be the path integral of the electric field (and all other ...
- 6,763
1
vote
2
answers
869
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Does Lorentz force only refer to the force described by the Lorentz Law?
I'm sorry for my very stupid question. I'd really appreciate some help.
I'm just rather confused on what the Lorentz force actually is. So my question is, simply put - what is the Lorentz force? ...
- 23
-2
votes
1
answer
1k
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What is the difference between the Lorentz force and the ponderomotive force? [closed]
I understand that Lorentz force is due to motion of moving charged particle in a magnetic field, and I imagine that ponderomotive force is mechanical version analogy to a person surfing on a wave ...
- 13k