- #1
kmarinas86
- 979
- 1
Consider a two particle system:
---- photon ----------- massive particle ---------------------
------- photon -------- massive particle ---------------------
---------- photon ----- massive particle ---------------------
------------- photon -- massive particle ---------------------
---------------- photon massive particle ---------------------
------------------- photon massive particle ------------------
------------------- photon massive particle ------------------
A photon is emitted and absorbed by a particle. I assume that the massive particle would be pushed in the process, however, when the photon is emitted in the opposite direction:
------------------- photon massive particle ------------------
------------------- photon massive particle ------------------
------------------- photon -- massive particle ---------------
---------------- photon ----- massive particle ---------------
------------- photon -------- massive particle ---------------
---------- photon ----------- massive particle ---------------
------- photon -------------- massive particle ---------------
That's perpetual motion! So it has to be wrong.
The alternative possibility I can think of is this:
As a photon approaches a massive particle which will absorb it, it will (pull it in?)
---- photon ----------- massive particle ---------------------
------- photon -------- massive particle ---------------------
---------- photon ----- massive particle ---------------------
------------- photon -- massive particle ---------------------
-------------- photon massive particle -----------------------
And then when it is emitted, it will pull it out?
-------------- photon massive particle -----------------------
------------- photon -- massive particle ---------------------
---------- photon ----- massive particle ---------------------
------- photon -------- massive particle ---------------------
---- photon ----------- massive particle ---------------------
This seems to be more symmetrical, is this what happens? It certainly isn't perpetual motion. But people tell us of radiation pressure, though solar sails must be reflective.
Alternatively, could the photon be emitted in the other direction:
-------------- photon massive particle -----------------------
-------------- massive particle photon -----------------------
------------ massive particle -- photon ----------------------
------------ massive particle ----- photon -------------------
------------ massive particle -------- photon ----------------
But then this to is perpetual motion. Advice?
---- photon ----------- massive particle ---------------------
------- photon -------- massive particle ---------------------
---------- photon ----- massive particle ---------------------
------------- photon -- massive particle ---------------------
---------------- photon massive particle ---------------------
------------------- photon massive particle ------------------
------------------- photon massive particle ------------------
A photon is emitted and absorbed by a particle. I assume that the massive particle would be pushed in the process, however, when the photon is emitted in the opposite direction:
------------------- photon massive particle ------------------
------------------- photon massive particle ------------------
------------------- photon -- massive particle ---------------
---------------- photon ----- massive particle ---------------
------------- photon -------- massive particle ---------------
---------- photon ----------- massive particle ---------------
------- photon -------------- massive particle ---------------
That's perpetual motion! So it has to be wrong.
The alternative possibility I can think of is this:
As a photon approaches a massive particle which will absorb it, it will (pull it in?)
---- photon ----------- massive particle ---------------------
------- photon -------- massive particle ---------------------
---------- photon ----- massive particle ---------------------
------------- photon -- massive particle ---------------------
-------------- photon massive particle -----------------------
And then when it is emitted, it will pull it out?
-------------- photon massive particle -----------------------
------------- photon -- massive particle ---------------------
---------- photon ----- massive particle ---------------------
------- photon -------- massive particle ---------------------
---- photon ----------- massive particle ---------------------
This seems to be more symmetrical, is this what happens? It certainly isn't perpetual motion. But people tell us of radiation pressure, though solar sails must be reflective.
Alternatively, could the photon be emitted in the other direction:
-------------- photon massive particle -----------------------
-------------- massive particle photon -----------------------
------------ massive particle -- photon ----------------------
------------ massive particle ----- photon -------------------
------------ massive particle -------- photon ----------------
But then this to is perpetual motion. Advice?