If photons don't have mass, how can they accelerate objects?
12847
If photons have no mass, how can they have momentum?
58463
How are photons "consumed"?
17152
Do all massless particles (e.g. photon, graviton, gluon) necessarily have the same speed $c$?
128965
Photon pair production at relativistic speeds?
24863
How can gravity affect light?
60149
Can photons be detected without being absorbed?
35331
How can an object's instantaneous speed be zero and it's instantaneous acceleration be nonzero?
118021
How do you "store" a photon?
85582
Why aren't all photons virtual particles even in the "vacuum" of empty space?
47568
Is it experimentally proven that photons travel at speed $c$ in vacuum?
26670
Explain how (or if) a box full of photons would weigh more due to massless photons
41041
Does a photon instantaneously gain $c$ speed when emitted from an electron?
2154
Why doesn't gravity speed up light?
57773
About the speed of light and gravity
47638
Mass and Newton's Second Law
21144
Can gravity accelerate an object past the speed of light?
21069
What happens to photons after they hit objects?