Infinity problem: Why is gravity $g=0$ zero at the center of Earth if according to Newton gravity formula $g=GM/R^2$?
4841
How does gravity work underground?
17218
Open problems in General Relativity
1063
Radial fall in a Newtonian gravitational field
141434
Why is the field inside a hollow sphere zero?
142670
Gauss Law Question. Could anyone explain to me why does S3 is 0 in this lecture note example?
47073
How does Newtonian mechanics explain why orbiting objects do not fall to the object they are orbiting?
19607
Can the gravitational constant $G$ be calculated theoretically?
142353
Why in Newton's law of gravity, we do $M_1 \times M_2$ and not $M_1 + M_2$?
15425
Equivalence principle question
64959
How exactly does gravity work?
154112
How does Newtonian gravitation conflict with special relativity?
2757
Would you be weightless at the center of the Earth?
59955
How to find distance travelled when the change in the force of gravity is not negligible?
145003
How can a point-like particle "feel" gravity, if locally the curvature of spacetime is always flat?
74367
Newtonian mechanics: massless particles
85100
Constant $g$ acceleration from astronaut's frame of reference
21259
The distance square in the Newton's law of universal gravitation is really a square?