Is there a fifth fundamental force?
69431
Why isn't Higgs coupling considered a fifth fundamental force?
58583
Is the normal force a conservative force?
127479
Is there any true inertial reference frame in the universe?
76879
Why don't we consider centrifugal force on a mass placed on earth?
72504
What exactly makes a force conservative?
17152
Do all massless particles (e.g. photon, graviton, gluon) necessarily have the same speed $c$?
52110
About the second fundamental form
112723
The problem of self-force on point charges
36000
Gravititonal fields compared to electromagnetic fields - are they infinite in range?
114910
In what subfields and how far can the naive limit $c\rightarrow\infty$ of special relativity be carried?
111193
Picture indicating the fifth roots of unity
153223
What's the exact gravitational force between spherically symmetric masses?
72858
Centrifugal Force
73754
Why do we think there are only three generations of fundamental particles?
97464
Are there weak force waves?
92968
how many element of order 2 and 5 are there
151039
Why are there no elementary charged, spin-zero particles?