The time is nothing too. All we can perceive is not the space and the time but the matter and its motion.
The only property of the material object is its ability to displace with respect to other material objects. This displacement occurs with some velocity. To measure displacement we must have some special instrument except the ruler. This device is the clock.
The clock is a device where some periodical movement occurs. We measure the time meaning the ticks of such movement, the numbers of rotations or cycles of the some kind of matter.
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Complementing this idea, note that an object in free fall is always moving, just as time is always passing. The direction of the gravitational gradient in space is thus differentiated from the other two dimensions of space, just as the "direction of time" in spacetime is differentiated from the other three dimensions of spacetime.
ОтветитьУдалитьSee http://pdfref.com/m1201/APS1204N6.pdf
Alexander F. Mayer
SensibleUniverse.com
Yes, you are right if to look at the movement as it is always presented in any descriptions. We have the time to order the any change in position of the object. But we have it only in our mind. In the very nature there is no time. Otherwise it will be seen just as the flow of the water or something else. But it is invisible. It is untouchable and undetermined. So it is absent in the nature.
ОтветитьУдалитьThe falling body falls without time but itself.
Your slide is interesting although it had the same sin. Sorry.