Absolute & Relative Motion

ReferenceA Logical Approach to Theoretical Physics

Motion is the appearance and disappearance of something in a continuous manner at consecutive locations. When the very substance is appearing and disappearing then the motion is absolute. But, when only some aspect related to that substance is appearing and disappearing then the motion is relative.

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Absolute Motion

Nuclear substance or black hole that has infinite duration shall stay at a location forever. By definition it will have no motion in an absolute sense. It will be at absolute rest. But as duration becomes finite, the substance will be disappearing and appearing again; and so, there will be motion. The lesser is the duration, the greater will be the motion.

For example, the sun has been enduring for over 4 billion years and it has not disappeared yet. That means it has not changed its location in an absolute sense. In other words, it has not moved. This pretty much applies to all objects composed of atoms. But substances, such as, light that are not made of atoms have hardly any consistency and duration. That means they appear and disappear very fast. In other words, light moves rapidly in an absolute sense.

So, there is a whole scale of absolute motion—from absolute rest of black holes to absolute rapid motion of light. The reference point for absolute motion is the consistency and the duration of the substance itself.

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Relative Motion

We are familiar with relative motion only among solid objects, whose consistency and duration is very large. In relative motion, the reference point is always a solid material object whose duration is very large. Thus, light is not used as a reference point.

We measure the motion of an object on earth relative to the earth. But the earth also moves relative to the sun, and the sun itself moves relative to the center of our galaxy. An object, therefore, can have different measures of motion relative to different objects.

The earth’s rotation makes the sun appear to move in the sky. The sun never disappears completely, only its coordinates in earth’s reference system change. Thus, the sun appears to move around the earth. But, if we are on the sun watching earth, then the earth will appear to move in the sky at a rate that earth’s coordinates are changing in the sun’s reference system.

Thus, relative motion has no absolute value, as there is no absolute reference system out there.

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Relationship

The absolute motion of a substance depends on its duration, which, in turn, depends on its consistency. The motion of light is, therefore, constant if its consistency does not change. The consistency of light may be related to its frequency. Therefore, light of a certain frequency will always travel at the same speed anywhere in the empty space of the universe. This is absolute motion.

In general, matter has such a large duration that its absolute motion is close to zero. Therefore, a solid material body shall have practically no motion anywhere in the universe. The relative motion of a material body could be anything on the relative scale, depending on the reference system chosen, but it would not change its absolute motion, which is practically zero.

Therefore, light will always appear to have the same speed from any solid material body. The coordinate system attached to a solid material body shall have no affect on the speed of light. This was so observed in the historic experiment of Michelson-Morley in 1887.

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Comments

  • Anonymous  On July 12, 2020 at 8:11 AM

    PS- the source website was linked, apparently through my name, but it is not my personal website.

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