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In order to know the meaning of the kinematic term, it is necessary to discover, in the first place, what its etymological origin is. In this case, we can determine that it derives from the Greek, exactly from the sum of two clearly defined components:
-The noun “kineema”, which can be translated as “movement” or “agitation”.
-The suffix "-tikos", which is used to indicate "relative to".

The idea of kinematics refers to what is linked to movement : the change of position of a body. It is also called kinematics the specialty of the physical which is focused on the analysis of the movement, without taking into account the characteristics of the forces that generate it.

It can be said that kinematics studies the movement of bodies Leaving aside the causes that cause it. That is why it is responsible for analyzing trajectories that travel the bodies in time.

The acceleration and the magnitude they are the most important magnitudes with which the kinematics works. Acceleration is obtained by dividing a modification of speed by the time that was used, while speed is the result of the division between the space traveled and the time used.

In addition to all of the above, we cannot ignore the existence of a series of interesting data about kinematics:
-Its three fundamental elements are the moving object, space and time. However, there are others that should also be known as position, trajectory, distance and displacement without forgetting the corresponding speed and what is called the average acceleration, which is the change in speed with respect to time.
-Coordinate systems are basic tools for work within this discipline at hand.
-In kinematics the concept of medium speed is widely used. This comes to relate what is the total distance that the object has traveled with the time it has taken to travel.
-When working on the kinematics, one must start from something as important as the type of movement performed by the object in question. Thus, we find the fact that it can be uniform rectilinear, uniformly accelerated rectilinear, circular, simple harmonic, uniform circular, parabolic, uniformly accelerated circular, complex harmonic, rigid solid ...

At the mathematical level, the kinematics indicates how the position coordinates of a body depending on the weather . This trajectory can be described by means of a mathematical function that depends on the acceleration (the change of the speed in the time) and the speed (the time in which the body modifies its position).

We can analyze from the kinematics the case of a train that runs from a point a yet point B . If both points are separated by a distance of 400 kilometers and the train takes time 2 hours in making the tour, its average speed was 200 kilometers per hour . With a constant acceleration in it address that the speed, a rectilinear movement occurs with uniform acceleration and a speed that varies in time. On the other hand, when the speed is zero, the rectilinear movement is uniform and the speed is constant.

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