Motion and change

And there is no end to these whimsical courses of the universal round about.

What is motion

Obviously not; while he is seeing, his capacity to see is no longer merely a potentiality, but is a potentiality which has been put to work. This was a search for non-mechanical causes of various phenomena. Endelecheia means continuity or persistence. This type of randomness is called chaos. After measuring the position and velocity of each one as accurately as possible, you enter the data into a monstrous computer and let it do the calculations for you. Essentially motion is nothing but the interaction of things as a result of which they change. Well, it depends. It never attains ultimate perfection.

No existing rock can fail to contribute to the hierarchical organization of the universe; we can therefore call any existing rock an actual rock. Kinetics In mechanics, it's an obsolete and redundant word that means the same thing as dynamics.


It is a large field and its study is essential to the understanding of physics, which is why these chapters appear first. Velocities could either increase or decrease over time.

This second type of motion is seen in pendulums like those found in grandfather clocks or Big Benvibrating strings a guitar string moves but goes nowhereand drawers open, close, open, close — all that motion and nothing to show for it. Whenever a system is affected by an outside agent, its total energy changes.


But this absolutisation leads to energy, as a quantity surviving in all these processes, being sometimes interpreted as indestructible, as a stable substance from which elementary particles, as it were, are "made".

This motion can be detected as temperature; higher temperatures, which represent greater kinetic energy in the particles, feel warm to humans who sense the thermal energy transferring from the object being touched to their nerves. This has nothing to do with its current scientific meaning, however.

Motion and change

A circular statement, to the extent that it is circular, is at least not false, and can as a whole have some content: Descartes' definition amounts to saying "whatever motion is, it is possible only with respect to place," and that of Averroes, Maimonides, and Ross amounts to saying "whatever motion is, it results always in an actuality. No matter how much an object changes, it retains its own particular character for as long as it exists. But the book is not moving or accelerating, so there must be opposing forces acting on the book. Chaos theory Some motion is predictable in theory but unpredictable in practice, which makes it appear random. In the process of scientific research one often has to single out the energic aspect of processes and disregard their vehicles. Flow is, in fact, the very thing that makes a river what it is. The saying goes that one cannot step into the same river twice. Every motion is a complex whole, an enduring unity which organizes distinct parts, such as the various positions through which the falling pencil passes.

If these are actualities, then it is no wonder that philosophers such as Descartes rejected Aristotle's account of motion as a useless redundancy, saying no more than that whatever changes, changes into that into which it changes.

Kinematics The study of motion without regard to the forces affecting it.

motion examples
Rated 6/10 based on 29 review
The Motion of Matter