Reason for the negative sign in the gravitational potential $-GM/r$?
119581
How to understand whether potential energy increases or decreases?
55910
Why gravitational potential is negative, as displacement and force are in the same direction?
23729
Four-velocity in General-relativistic geodesic equation
148871
Sign of the vector (especially $g$) while calculating
155552
Is it possible for a system to have negative potential energy?
67258
Why is a conservative force defined as the negative gradient of a potential?
50077
How much weight do you feel during negative g-forces?
14373
In physics sometimes we find energy that is negative. What does the negative sign indicate?
158099
Why and how does negative velocity exist?
100530
Why does time in Minkowski's space have the opposite sign of the space coordinates?
85291
Why can velocity and acceleration be negative?
123054
How can we have negative work in electrostatics, if $W=(\epsilon_0/2)\int\! E^2\ \mathrm{d}\tau$?
131958
Why is the potential energy equal to the negative integral of a force?
155740
Newton's Law of Graviation: Why $G$ and not e.g. $\dfrac{1}{4\pi G_0}$?
93835
Why do those terms vanish if the metric is Hermitian?
129289
What is the origin of the factor of $-1/4$ in the Maxwell Lagrangian?
55479
Negative R squared contradicts ssa/sst?