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Results tagged with momentum
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user 353088
In introductory mechanics, the momentum of a particle is its mass times its velocity. In electrodynamics, the momentum of a field is proportional to the cross-product of the electric field with the magnetic field. In special relativity, momentum is generalized to four-momentum.
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How can there be a change in momentum with no appearent external force?
Momentum is conserved in a system with no external force. … I can see that G is indeed changing in time and so momentum must also be changing, but I don't see how G is changing without there being an external force. …
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How is momentum conserved when dealing with viscous substances?
The falling ball will have a downwards momentum, but once falls into the honey, it will slow and then stop with no apparent opposite momentum. In such a case, how is momentum conserved? …
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