If k 'k' is the uniform motion relative to the coordinate system without rotation, then natural phenomena relative to the coordinate system k 'will be the actual evolution of k relative to the coordinate system as the basis of the actual evolution of the same universal law. The statement called the principle of relativity special theory of relativity Or stated as: All the laws of physics in any inertial reference frame has the same form. Einstein on the mechanics of this principle is to promote the principle of relativity, Einstein's relativity principle known. Narrow principle of relativity can be expressed as; 1 in all inertial reference frame, the expression of the physical methods are the same formula. 2 vacuum speed of light has the same value c.
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No. 2
If K 'is for the uniform motion relative to K without rotating coordinate system, then the natural phenomenon relative to the coordinate system K' with the actual evolution of the coordinate system K, relative to the actual evolution of the same universal law as the basis. This statement is called the relativity principle of special relativity Or stated as: All the laws of physics in any inertial reference frame has the same form. Einstein on the mechanics of this principle is to promote the principle of relativity, Einstein's relativity principle known. Narrow principle of relativity can be expressed as; 1 in all inertial reference frame, the physical expression of the formula the same way.