dimensional analysis - Comparing the strength of gravity and ...
Sep 29, 2020 · I often see and hear people claiming that "the gravitational force is much weaker than the electromagnetic force". Usually, they justify it by comparing the universal gravity constant to …
Why normal force is not equal to gravity? • Physics Forums
Oct 7, 2023 · The normal force is not the "reaction" to gravity as in a third law pair. The force pairs in Newton third law are always due to same interaction, between the same two objects. The pair of …
Normal Force and Force of Gravity: When and why are they equal?
Mar 17, 2010 · The discussion revolves around the relationship between normal force and gravitational force, particularly in the context of an object resting on a flat surface. Participants explore the …
If gravity is not a force, what is holding us down? - Physics Forums
Jul 3, 2021 · The discussion revolves around the nature of gravity, specifically whether it is a force or a result of the curvature of spacetime. Participants explore theoretical implications, conceptual …
Is gravity as a "force" an "illusion"? - Physics Stack Exchange
Jan 16, 2025 · 11 The reason we say gravity is not a force, but rather the effect of a spacetime distortion is that, once you see the spacetime as deformed, then the objects move in "straight lines" in that …
When is the acceleration due to gravity positive/negative in ... - Reddit
The force of gravity is acting downwards on the ball, as gravity always does. This means during flight, the ball experiences -9.8m/s 2 as the force of gravity is moving downwards in the Y plane, meaning it …
Why 9.8m/s^2? The Mystery of Gravity's Constant Acceleration Explained
Apr 7, 2004 · The gravity acceleration anywhere in the universe is: g' = G\frac {M} {r^2} Where G is the gravitational constant, M is the mass of the object that is pulling you and r is your distance from its …
Gravity on the International Space Station - Physics Stack Exchange
The effective gravity inside the ISS is very close to zero, because the station is in free fall. The effective gravity is a combination of gravity and acceleration. (I don't know that "effective gravity" is a …
Is gravity a force and if so what is its opposite?
15 For every force there is an equal force in the opposite direction on another body, correct? So when the Suns gravity acts on Earth where is the opposite and equal force? I also have the same question …
Thrusters in Gravity Force : r/WorldOfTanksBlitz - Reddit
Dec 4, 2021 · I have a (probably) stupid question. I play Blitz on pc and mobile, but I can't seem to use the thruster ability in gravity force. If someone could tell me how on both, it would be much appreciated.