A dark part of special relativity(at least for me)

HallsofIvy

In saying
[tex]\frac{F}{0}= \infty[/tex]
you are assuming that F is not 0. What force are you assuming is acting on light?

HallsofIvy Recognitions: Gold Member Science Advisor Staff Emeritus	In saying [tex]\frac{F}{0}= \infty[/tex] you are assuming that F is not 0. What force are you assuming is acting on light?