Okay, so the momentum of an EM wave is the energy carried by the wave divided by the speed of light. in this sense, a wave doesn't need mass to have momentum. I think that I'm starting to understand now.
I'm having a difficult time understanding how a wave, which is massless can have momentum... which is defined as the product of the force and mass of an object.
Thanks, Drakkith, so what I can surmise is that when it comes to definitions and terms, I should pay attention to the discipline that I am reading over and look for the definition that applies to the context right?
I was studying radiation and came across an article:
https://www.wtamu.edu/~cbaird/sq/2014/04/01/light-has-no-mass-so-it-also-has-no-energy-according-to-einstein-but-how-can-sunlight-warm-the-earth-without-energy/#:~:text=In summary, all objects with,not the only massless object.
Which said...