What would happen if an object could fall straight through the Earth?
2998
If it was possible to dig a hole that went from one side of the Earth to the other...
15903
What is the general relativity explanation for why objects at the center of the Earth are weightless?
43961
Work done against gravity
78059
Acceleration of a Free-Falling System with Center-of-Mass Change
132426
Why do objects sometimes fall on their own?
98092
Wall of fire: What's a 'solid surface' and what happens if it stops existing?
64664
Will an object resting on a rotating platform move in a frictionless world?
16748
What happens if light/particles exceeded the speed of light for a particular medium?
149561
Build a ring around Earth, then remove the supports
62259
What will be the effect on a rigid body if two unlike unequal parallel forces act on the body?
141399
Throwing a ball from the surface of the earth so that it ends up in a circular orbit
60687
Solid objects inside the event horizon - can they remain "solid"?
151973
Why do heavier objects fall faster on hills but not in straight drops?
72953
How long does an object experience motionlessness at the beginning of its descent?
113192
Will items dropped on the ground ever disappear?
89962
What happens when a flying creature is knocked prone?
2331
How fast does gravity propagate?