What is Special & General Relativity

What is Special & General Relativity

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Relativity is a scientific theory that explains how time, space, and gravity work. It was developed by Albert Einstein and it has two parts: special relativity and general relativity. Special relativity explains how time and space are affected by motion, while general relativity explains how gravity affects time and space. Special relativity is based on the idea that the laws of physics are the same for all observers that are moving at a constant speed relative to each other. This means that if you are moving at a constant speed in a straight line, you can't tell if you are moving or if you are stationary. General relativity, on the other hand, explains how gravity works. It says that gravity is not a force, but rather the result of the curvature of space and time caused by massive objects. This is why objects are attracted to each other, because they are following the curvature of space and time caused by each other's mass. For more interesting videos like and subscribe to our channel deep in space.

[hg]

Actually the theories of relativity don't _explain_ how time, space and gravity work, they just _describe_ it perfectly.
Nobody knows _why_ things are as described by Albert Einstein.

[EzemaKenneth-ve]

Force is the pull or push experienced by a physical object
We keep 🗣️ this mistake, the curvature of space-time induces a force in which a physical object (both) is affected

[JoeDeglman]

The Invariance Postulate is an essential foundation upon which Special Relativity is based. arxiv1506.02688
The Equivalence Principle is an essential foundation of the General Theory. arxiv 1203.0102

Both the Equivalence Principle and the Invariance Postulate are both contradicted by GPS clock and signal data. Likewise, there is no evidence to support the Special Theory, upon which the General Theory is built. arxiv 1506.02688
Neither the General nor the Special Theory rise beyond a hypothesis, based upon experimental evidence.

[AdrianStoica-eb]

Constant speed not exist .
It's nonsense !!!

[private_citizen]

Gravity is a force. Space isn't a material, it can't bend, curve, or warp. The entire idea is absurd.

Okay let's pretend space is a substance that curves. What curved it? Gravity? So gravity can exert a force to bend space but that same force can't directly affect an object? Ignoring all that, fine gravity made a slope/hill. Now what? Why would an object "fall" down that hill? That is earth thinking. Things roll down hill because of gravity. But without gravity why would it fall/roll down hill?

Objects don't move without an input of energy. An object in motion stays in motion until another force acts on it and all that. That force is gravity acting directly on an object of mass.